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Rolls HA43 - 4 Output Stereo Headphone Amplifier

B&H # ROHA43P MFR # HA43 PRO
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The HA43 is for expanding or generating four additional headphone channels. It has a 1/4" TRS stereo input, four volume controls, four headphone outputs and is powered by an included AC adapter. The unit has a 20Hz to 20kHz frequency response, small size and is very easy to use.

Four stereo headphone distribution amplifier
Four output level controls
Small footprint makes the unit easy to use in different situations
Extremely low noise
UPC: 675889000436
Number of Channels 4
Input Connections 1 x 1/4" TRS phono Master Input
Output Connectors 4 x 1/4" TRS phono Headphone Outputs
Maximum Output Not specified by manufacturer
Function Controls 4 x Sliders for individual volume
Frequency Response 20Hz to 25kHz, +0/-3dB
Distortion (THD) 0.008%
Noise >90dB
Display 1 x Power LED
Dimensions 4" x 3" x 1 1/4"
Weight 1 lbs
Specialties Compact size
Packaging Info
Package Weight 1.0 lb
Box Dimensions (LxWxH) 6.929 x 4.724 x 2.52"
Rolls HA43 - 4 Output Stereo Headphone Amplifier
  • External Power Supply
  • One Year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    RollsHA43 - 4 Output Stereo Headphone Amplifier
     
    4.7

    (based on 23 reviews)

    Ratings Distribution

    • 5 Stars

       

      (16)

    • 4 Stars

       

      (7)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    100%

    of respondents would recommend this to a friend.

    Pros

    • Easy to use (14)
    • Excellent sound (12)
    • Good power output (10)
    • Portable (10)
    • Compact (4)

    Cons

    No Cons

    Best Uses

    • Home studio (10)
    • Amateur recording (9)
    • Outdoor events / games (7)
    • Performances (7)
    • Professional recording (6)
      • Reviewer Profile:
      • Experienced (10), Professional musician (3)
      • Was this a gift?:
      • No (5)

    Reviewed by 23 customers

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    Displaying reviews 1-20

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    4.0

    Great - with one limitation

    By Peter J

    from Inwood

    About Me Audiophile, Movie Enthusiast, Practical, Tech Savvy

    Verified Buyer

    Pros

    • Accurate Controls
    • Easy To Set Up
    • Good Power Output
    • Great Sound Quality

    Cons

    • No ONOFF switch

    Best Uses

    • Basic Systems
    • DJ / Mixing
    • Home Theater
    • Smaller Rooms

    Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

    I purchased this so I can watch movies at odd hours and not worry about the noise bothering my neighbours.
    Multiple ports allow company to watch with, and each person can adjust the volume level to their comfort.
    I looked at different models & this struck me as the best bet.

    What I like about it:
    You can connect your audio source via RCA or 1/4" jack. In fact, you can have two different sources permanently connected.
    The volume sliders are easy to adjust and move effortlessly.
    I love that all four outputs have 1/4" AND 1/8". This is perfect if your friends are using their own headphones - no need for adapters.

    It's small, light, but not flimsy. Metal casing, which is uncommon for devices this small.

    There is one significant flaw: there is NO on/off switch. You either keep it plugged in or get up & unplug it every time you are done with it.
    I consider this flaw to be a major oversight. Perhaps the manufacturer saw it as a means of cutting corners, but I'd have gladly paid a little more if the device had that switch.
    It's quite surprising, as everything else about this device suggests a lot of thought was put into the design. On the other hand, it does features a power light, so will know you left it on.

    That is my only complaint. If that's not an issue to you, then buy this without hesitation.

    • Was this a gift?:
    • No

    Share this review

     
    5.0

    Small But Mighty

    By AP3D Guy

    from Los Osos, CA.

    About Me Practical, Pro Audio / DJ, Technically Challenged

    Verified Buyer

    Pros

    • Accurate Controls
    • Easy To Set Up
    • Great Sound Quality

    Cons

    • Ac Power Supply Cord Too

    Best Uses

    • DJ / Mixing
    • For Guests On Live Radio

    Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

    I use the Rolls for up to four guests appearing live on a radio program. It works great and is well engineered. My only reservation is the A/C power supply cord is too short, requiring I purchase a separate A/C extension cord. Otherwise, highly recommended.

    • Was this a gift?:
    • No

    Share this review

     
    4.0

    I'm happy with this product

    By Cassie

    from Oakland, CA

    About Me Videographer

    Verified Buyer

    Pros

    • Accurate Controls
    • Easy To Set Up

    Cons

      Best Uses

      • Splitting Audio

      Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

      I pull audio from a camera and then split it to two headphones and a digital recorder, for my purposes it works great. (I just got this a week ago) But so far I am happy .

      • Was this a gift?:
      • No

      Share this review

       
      4.0

      Good little thing to carry around

      By Jinsoo kim

      from Bayside, NY

      About Me Audiophile

      Verified Buyer

      Pros

      • Comfortable
      • Compact
      • Good Value
      • Lightweight

      Cons

        Best Uses

        • With My Computer
        • Working

        Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

        Video recording

        Share this review

         
        5.0

        this is a great little pre-amp

        By Scoops

        from New York

        Verified Buyer

        Pros

        • Compact
        • Good Value
        • Great Sound

        Cons

          Best Uses

          • Home Audio
          • Music
          • Portable Devices

          Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

          I use this with a Tascam DP008 8 channel digital recorder. The phone output on that unit is weak, so I use this and its great. It solves all monitoring and mixing problems created by a weak phone-jack signal. Its great.

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          5.0

          great, very clean headphone amp

          By have guitar will travel

          from san jose

          About Me Gear Head

          Verified Buyer

          Pros

          • Compact
          • Durable
          • Good Bass
          • Good Value
          • Great Sound
          • Lightweight

          Cons

            Best Uses

            • Home Audio
            • Music
            • Traveling
            • With My Computer
            • Working

            Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

            this is the best bang for buck headphone amp. i use it to monitor and record guitar music with a lot of distortion, and effects as well as clean passages . i can hear a lot of the high order harmonics dissapear when i use a cheaper lower qaulity unit that was only a few dollars less. with the rolls ha43 all those highlights and overtones are there again just exactly as direct. i also have a foam head with high end microphones implanted and i record the headphone sound and mix that in .this also allows me to increase my output volume on my guitar proccessor to direct record through d.i. boxes with 4x12 speaker emulation to get a cleaner input to the recorder and increases the power tube amp effect without blowing another set of expensive headphones . i give silent mini concerts with these in places i cant use my wall of amps. they get a real feel for the music rather than through portable device that cant compare.great way to turn on people/ really connect to your music.

            • Primary Use:
            • Traveling
            • Was this a gift?:
            • No

            Share this review

             
            5.0

            Simple and sturdy, clean sound, handy!

            By LJ

            from NYC

            About Me Experienced

            Verified Buyer

            Pros

            • Easy To Use
            • Excellent Sound
            • Low Distortion
            • Solid build
            • Versatile

            Cons

            • Does not have HDMI input
            • Requires wall power

            Best Uses

            • Multiple headsetsearbuds

            Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

            Has both RCA and 1/4 in input jacks on back, with 1/4 or mini headphone jacks on front. Unit is metal, sliders are smooth and noise free. I cant blast the speakers in my apartment, so this unit allow us all to have headphones and we can each adjust our own volume. Last night, two of us watch a movie on the iPad with great headphone sound. Happy I bought the little thing, its worth the price.

            Share this review

             
            5.0

            Exactly as described

            By Radio Man

            from Santa Ynez, CA

            About Me Experienced

            Verified Buyer

            Pros

            • Easy To Use
            • Excellent Sound
            • Portable

            Cons

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • Mobile DJ
              • Performances
              • Professional Recording

              Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

              I bought this amplifier to to provide additional gain for a pair of Sennheiser HD 424 vintage headphones. These phones are high impedence (1750 ohms) and cannot be driven well by my computer sound card or my Android phone. This box did the trick.

              I use the other outputs for connecting additional phones. Very convenient for comparisons etc. Also, having an external physical volume control is useful.

              Uses 12 volt power - so its easy to power from the included power supply as well as batteries, car etc. Watch out, the polarity of the barrel connector is reversed from many other devices. The box is polarity protected, but don't take chances.

              The circuit design uses opamps and is quite straight forward. The sliders have a stop in the middle. Unity gain perhaps. Not necessary and makes adjusting volume annoying. I end up adjusting the input level so that the slider is above the mid-point. This is a very small negative.

              The box has a high(100K) input impedence. This is useful for connecting to line outputs. Can be used to provide headphone connections to devices with fixed level line outputs.

              In summary, a simple and effective device.

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              4.0

              Very good product.

              By João

              from Belo Horzonte, MG, Brazil

              About Me Experienced

              Verified Buyer

              Pros

              • Easy To Use
              • Portable

              Cons

                Best Uses

                • Amateur Recording
                • Churches
                • Events
                • Home Studio
                • Performances

                Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                It has a good price and it´s very good to use in churches and smaller places.

                Share this review

                (1 of 1 customers found this review helpful)

                 
                5.0

                Nice small headphone amp

                By Dave R.

                from Brooklyn, NY

                About Me Professional Musician

                Verified Buyer

                Pros

                • Easy To Use
                • Excellent Sound
                • Portable

                Cons

                  Best Uses

                  • Amateur Recording
                  • Events
                  • Home Studio
                  • Performances
                  • Professional Recording

                  Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                  Rolls makes good stuff, so I always try to buy it. This one is no different. I needed a headphone amp to split a line for some musicians so they could hear a click track in rehearsal. I picked this up and it worked really well. They could each adjust their own volume. I've had problems with other headphone amps not having stereo outputs, which is a big problem. This one is stereo, and works really well, sounds good, and has a nice clean look to it.

                  Share this review

                   
                  5.0

                  Nice features

                  By Litehouse

                  from New York, NY

                  Verified Buyer

                  Pros

                  • Easy To Use
                  • Excellent Sound
                  • Good Warmth
                  • Portable
                  • Powerful

                  Cons

                    Best Uses

                    • Events
                    • Performances

                    Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                    I use this for onsite live webcasting of sporting events. Always a lot of noise, so we need head phones to hear each other speak.

                    Some great features: mini and 1/4 jacks for Headphones, RCA and 1/4 output connectors.

                    Versitile and quality is great.

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                    5.0

                    It works great!

                    By Allen

                    from Santa Barbara

                    About Me Experienced

                    Verified Buyer

                    Pros

                    • Excellent Sound

                    Cons

                      Best Uses

                      • Laptop headphone volume

                      Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                      It works exactly as I wanted it to. It boosts the volume of my standard headphones from my laptop as much or more than I can use.

                      Share this review

                      (2 of 2 customers found this review helpful)

                       
                      5.0

                      Works exactly as advertised

                      By Josh

                      from New York, NY

                      About Me Professional Musician

                      Verified Buyer

                      Pros

                      • Easy To Use
                      • Excellent Sound
                      • Portable
                      • Powerful

                      Cons

                        Best Uses

                        • Amateur Recording
                        • Home Studio
                        • Home Theater

                        Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                        We have a high end A/V receiver with only one headphone jack, and two sets of headphes with different impedance levels. Using a passive splitter resulted in one set of headphones being much louder than the other. This amp is the perfect solution. Small (important in an apartment), does the job with no perceptable difference in audio quality, and way less expensive than comparable units. I also like that the output jacks are in front. Makes connecting and disconnecting headphones easy. We mainly use the unit for home theater after our little one has gone to bed, so we can enjoy movies and TV without waking her. The only negative, and this is purely subjective, is that I'd prefer knobs to sliders, but it's a minor quibble. Highly recommended.

                        Share this review

                        (1 of 1 customers found this review helpful)

                         
                        4.0

                        You get what you pay for

                        By Da Reb.

                        from Brooklyn, NY

                        About Me Experienced

                        Verified Buyer

                        Pros

                        • Easy To Use
                        • Portable

                        Cons

                          Best Uses

                          • Home Studio

                          Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                          This is a very good amp, it is not top sound quality but it is definitely worth it for the price.

                          Share this review

                           
                          4.0

                          Works like a charm, Sounds great

                          By Visin

                          from Northampton, MA

                          About Me Professional Musician

                          Verified Buyer

                          Pros

                          • Easy To Use
                          • Excellent Sound
                          • Portable
                          • Powerful

                          Cons

                          • No Battery Power

                          Best Uses

                          • Amateur Recording
                          • Events
                          • Home Studio
                          • Mobile DJ
                          • Performances

                          Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                          Bought this in an emergency to provide remote headphone monitoring for Director, & DP at a small video shoot and couldn't justify the cost of Pro quality Sound Design or PSC units.

                          Sound quality was excellent though probably not what you would want to use for critical monitoring or mixing situations. Gain was impressive, be careful with the volume if you value your hearing.

                          The short throw faders have a detent at about halfway. Outputs have dual 1/4" & 1/8" TRS jacks at each channel, 1/4" TRS and RCA in. Rugged steel case is compact, fine for tabletop use but probably not in the mixer bag.

                          The only feature really missing is optional battery power. I have a new cord on the way to feed it off of my NP-1 brick if necessary.

                          Share this review

                           
                          5.0

                          Good product, good price

                          By Matthew

                          from Philadelphia, PA

                          About Me Experienced

                          Verified Buyer

                          Pros

                          • Easy To Use
                          • Excellent Sound
                          • Good Warmth
                          • Portable
                          • Powerful

                          Cons

                            Best Uses

                            • Amateur Recording
                            • Home Studio
                            • Professional Recording

                            Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                            I use this with my home studio in a box. I works great. Like other users say it would be nice to have a power switch but other than that it's perfect. Good sound, lower price than competitors' models, multiple options for in and out. What more could you ask?

                            Share this review

                            (1 of 1 customers found this review helpful)

                             
                            5.0

                            Solid, slick, smooth, and super sound

                            By Moshe

                            from Chatsworth, CA

                            About Me Experienced

                            Verified Reviewer

                            Pros

                            • Easy To Use
                            • Excellent Sound
                            • Powerful
                            • Quality Construction

                            Cons

                              Best Uses

                              • Amateur Recording
                              • Events
                              • Home Studio
                              • Mobile DJ
                              • Performances
                              • Professional Recording

                              Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                              Remarkable nowadays is the solid metal construction of a pro-level audio device for under $50. Things just keep getting better when one begins plugging in cables and finds the versatility of high-quality jacks for both 1/4-inch phone plugs and mini plugs. Equally impressive is the smooth operation of the gain controls, with the mid-point detent as a handy reference point, so it's not necessary to look at the unit when adjusting gain. Most important, the output is superb--nothing added, nothing taken away, just 20db of gain without any distortion.

                              Share this review

                               
                              4.0

                              Pretty good little gadget for the price

                              By MelbasVoice

                              from Nashville, TN

                              About Me Experienced

                              Verified Buyer

                              Pros

                              • Easy To Use
                              • Excellent Sound
                              • Portable
                              • Powerful

                              Cons

                                Best Uses

                                • Amateur Recording
                                • Home Studio
                                • Professional Recording

                                Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                                Compact little headphone amp is quiet enough to get a good monitor, with flexible ins and outs. Don't think you can do any better for 4 channels at that price.

                                Share this review

                                 
                                5.0

                                Excellent amplifier

                                By KLIPLEE

                                from Elizabethtown, Pa

                                Verified Buyer

                                Pros

                                • Easy To Use
                                • Excellent Sound
                                • Good Warmth
                                • Powerful

                                Cons

                                  Best Uses

                                    Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                                    I use this amp to power my telephone music from my 200 disk player. It allows me to hook up the system and monitor the out put.

                                    Share this review

                                     
                                    5.0

                                    Excellent value!

                                    By Bob Leedom

                                    from Phila., PA

                                    About Me Experienced

                                    Verified Buyer

                                    Pros

                                    • Easy To Use
                                    • Excellent Sound
                                    • Portable
                                    • Powerful

                                    Cons

                                      Best Uses

                                      • Events
                                      • Performances
                                      • Professional Recording

                                      Comments about Rolls HA43 - 4 Output Stereo Headphone Amplifier:

                                      I use this to provide 2+ headphone outputs for multiple listeners of field recording of personal history interviews and high school music performances. There is plenty of gain, and when I turn the gain to zero, it is dead quiet! It has excellent grounding. It is smaller, lighter and less expensive than its competition and I see no compromises for this design.

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