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Sony MDR-RF985RK Wireless Radio Frequency Headphone System

B&H # SOMDRRF985RK Mfr # MDRRF985RK
You Pay: $79.99
Product Highlights
  • Wireless Range up to 150'
  • Built-In Rechargeable Battery
  • Up to 25 Hours of Battery Life
  • Transmits Over RF Signal
  • 40mm Drivers
  • Headphones Recharge on Transmitter Base
  • Adjustable Headband

The Sony MDR-RF985RK Wireless Radio Frequency Headphone System is designed to transmit analog audio sources wirelessly to its headphones with a range of operation of up to 150-feet. The headphones feature a built-in rechargeable battery that can provide playback for up to 25-hours per charge. They are charged by connecting to the transmitter base station, and produce a full charge in 3.5 hours. The headphones also feature 40mm drivers and an adjustable headband designed to provide comfort for long listening sessions.

The system's transmitter features a stereo pair of RCA inputs and a single 1/8" stereo mini-jack input. It broadcasts on an analog 900 MHz radio frequency and has three selectable channels.

Type Closed, Dynamic
Drivers 1.5" (40 mm )
Magnet Ferrite
Diaphragm PET
Frequency Response 10 Hz to 22 kHz
Radio Frequency Wireless Analog 900 MHz
Transmitter Channel 1: 915.5 MHz (selective, FM Stereo)
Channel 2: 916.0 MHz (selective, FM Stereo)
Channel 3: 916.5 MHz (selective, FM Stereo)
Tuning Manual tuning via switch on both base and headphones
Volume Control Rotary
Modes Mute: Operates when RF signal is weak or not received
Inputs Transmitter:
2x Analog RCA Phono
1x 1/8" (3.5 mm) Stereo Mini-Jack
Battery Battery Type: Rechargeable Lithium-Ion
Battery Charging: 3.5 Hours (Approximate)
Battery Life: 25 Hours (Approximate)
Power Supply Transmitter: 12 V, 200 mA AC Adapter
Power Requirements DC 12 V
Output Power 5 mW + 5 mW
Cable Length 3.2' (1 m) (Approximate)
Dimensions Transmitter: 8.5 x 4.1 x 3.7" (21.6 x 10.5 x 9.6 cm) (Approximate)
Weight Headphones: 10.59 oz (300.00 g) (Approximate)
Transmitter: 7.7 oz (220 g) (Approximate)
Sony MDR-RF985RK Wireless Radio Frequency Headphone System
  • Transmitter Station
  • AC Adapter
  • 1m Stereo Cable
  • Limited 90-Day Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    SonyMDR-RF985RK Wireless Radio Frequency Headphone System
     
    4.6

    (based on 25 reviews)

    Ratings Distribution

    • 5 Stars

       

      (18)

    • 4 Stars

       

      (5)

    • 3 Stars

       

      (2)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    94%

    of respondents would recommend this to a friend.

    Pros

    • Comfortable (20)
    • Great sound (19)
    • Good value (14)
    • Lightweight (9)
    • Good bass (6)

    Cons

      Best Uses

      • Home audio (18)
      • Relaxing (10)
      • Music (7)
        • Reviewer Profile:
        • Gear head (6), Audiophile (5)
        • Was this a gift?:
        • No (17), Yes (3)

      Most Liked Positive Review

       

      I would highly recommend this product.

      Bought two headphones for my wife and myself for viewing TV. We have problems hearing dialogue on some shows. These work great. They are comfortable to wear and we have not missed a...Read complete review

      Bought two headphones for my wife and myself for viewing TV. We have problems hearing dialogue on some shows. These work great. They are comfortable to wear and we have not missed a word of dialogue when wearing them. Sound is so good that I also have hooked to stereo and can listen to music and not disturb anyone else.

      One concern I did have was over interference from other sources since I have wireless phones, internet and FM transmitter for listening to music throughout the house. There is no interference or noise and I can move throughout the house and not lose the signal.

      VS

      Most Liked Negative Review

       

      Good, but not as good as my older RF970R

      Purchased the RF985RK after damaging my RF970R and finding the RF970Rs were no longer available. Selected the RF985RK as a comparable replacement. Found it easy to set up and use except you must remember...Read complete review

      Purchased the RF985RK after damaging my RF970R and finding the RF970Rs were no longer available. Selected the RF985RK as a comparable replacement. Found it easy to set up and use except you must remember to manually turn off the headset after listening as it has a manual on/off switch, unlike the RF970R's automatic headband switch. Reception range is excellent and as advertised. Battery life is excellent, charges quickly (batteries are lithium ion rather nickel cadmium). However, I'm rating the sound quality only fair (heavy base, with mid and high ranges lacking). It is because of this that I have rated the RFR985RK only 3 Stars. Other than this, I found the RFG985RK easy to use once I had adjusted to its more base sound quality. Its affordably priced and a good buy for the money.

      Reviewed by 25 customers

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      Displaying reviews 1-20

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      5.0

      Hear Here

      By Cyberdoc

      from Houston, Texas

      About Me GEEZER

      Verified Buyer

      Pros

      • Comfortable
      • Good Value
      • Great Sound
      • Lightweight

      Cons

        Best Uses

        • Home Audio

        Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

        I have developed the ability to be "wide awake" at 3:00 AM. I now utilize that time to watch educational DVDs. Using the wireless headphones allows me to do this without bothering my wife sleeping in the next room.

        I am smarter and she is happier due to this product!

        • Was this a gift?:
        • No

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        5.0

        Why didn't I do this years ago

        By JP

        from Bay City,Mich

        About Me Retired

        Verified Buyer

        Pros

        • Great Sound

        Cons

        • A little bulky

        Best Uses

        • Home Audio

        Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

        My brother told me about the wireless headphone he received for Christmas and how much he liked them. He explained that they could be plugged into the cable box without turning the sound off on the TV set os other people could still listen to the sound. I am hard of hearing and I couldn't believe the difference ---A whole new world of sound---- I will never be with out these again.

        • Was this a gift?:
        • No

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        4.0

        Sound is great if you can keep them on

        By the artist

        from bridgewater, nj

        About Me Older adult

        Verified Buyer

        Pros

        • Comfortable
        • Great Sound

        Cons

        • Falls Off/Out Of Ear

        Best Uses

        • Home Audio

        Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

        Bought these for my husband. He uses them almost all day. They don't stay on his head, the band loosens up & he is always readjusting them. The sound for the price is great.

        • Was this a gift?:
        • No

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        4.0

        Good

        By borode

        from Dallas, Texas

        About Me Gear Head

        Verified Buyer

        Pros

        • Comfortable
        • Good Value
        • Lightweight

        Cons

          Best Uses

          • Home Audio
          • Music
          • Relaxing

          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

          Occasional use of headphones; doesn't seem to work as well in my house as my sister's; a bit more static and not as much range; very comfortable; volume control and autoscan buttons are difficult to use while headphones are on because they have little profile; have to take phones off to adjust volume because it is hard to feel the control.

          • Was this a gift?:
          • No

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          5.0

          GREAT WIRELESS SET !!!

          By Squid

          from Clinton, Ct.

          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

          WORKS GREAT ! BEST SOUND I EVER HEARD!! FOR MUSIC OR MOVIES !! WOULD RECOMEND TO FAMILY AND FRIENDS !

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          5.0

          Perfect Solution

          By Mike H.

          from CA Northbay

          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

          Am hard of hearing. Use these to watch TV with my wife. She can have the volume set via HDMI source for her normal ears. I connect the wireless headset to a mini-phone jack (external audio out) on the back of the LED TV. My volume is adjustable so that I don't miss a thing. The sound is glorious. The rechargeable headset is light and quite comfortable.. even after two football games in succession. I go anywhere in our large two story home and still enjoy the audio portion while doing other things. The headset is made well and feels well worth the reasonable cost. By muting the HDMI audio,I can listen to programming late or early -- and not disturb others. As usual, it came promptly and well-packed from B&H. I would recommend these to anyone.

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          5.0

          As advertised.

          By Bubby

          from Hammond, Louisiana

          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

          Hooked them up so that my elderly father does not disturb everyone while watching TV. Product performs as advertised. Headset is comfortable and sound quality is good. I recommend this product for seniors or anyone that has issues hearing the TV.

          Share this review

          (0 of 1 customers found this review helpful)

           
          5.0

          SONY MDR-RF985RK

          By Al L

          from Ct

          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

          Second set of Sony headphones Fantastic Love the fact you can go 25 hrs on full charge Recommend this model. Base highs and lowes great.

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          5.0

          Great Product

          By Music Lover

          from MI

          Verified Buyer

          Pros

          • Comfortable
          • Good Bass
          • Good Value
          • Great Sound

          Cons

            Best Uses

            • Home Audio
            • Relaxing

            Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

            I mainly use these to watch TV at night so I don't wake up my husband when he goes to bed. I have another brand of headphones that has alot of static and drop outs. The reviews on this product looked good so I decided to give them a try. I have also used them to listen to music with my computer and I'm really happy with how they sound.

            • Was this a gift?:
            • No

            Share this review

             
            5.0

            Best for the money

            By DaveK

            from Tucson, AZ

            About Me Audiophile, Gear Head

            Verified Buyer

            Pros

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

            Cons

              Best Uses

              • Home Audio
              • Music
              • Relaxing

              Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

              I have the Sony Wireless 925 & 975 Models, which are nice, but there Head band on/off was sometimes a problem, the 985 has done away with this and uses a switch, better.. The sound, especially the bass is Vgood and overall Quality of sound is better.. Don't forget, these are Over the Ear, which I Prefer as they are more comfortable for Eyeglass wearers and block out outside noise..I don't like somthing sticking in my ear..They do add some warmth to your head..The Headband has excellent adjustment, and to me very comfortable.. Volume is on bottom of R headphone and easily adjustable.. The charging stand is a little tall, but many ways better.. the stand also has a std mini jack at the rear for an additional audio source.. You can find better headphones in the $ + range... Also I have had NO real white noise and can walk all around my Multy room apartment with no drop outs...

              • Was this a gift?:
              • No

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              3.0

              sony wiresless headphones

              By bodyman

              from Ontario Canada

              About Me Retired Auto Worker

              Verified Buyer

              Pros

              • Comfortable
              • Good Value
              • Great Sound

              Cons

              • Flimsy Construction
              • Poor Value

              Best Uses

              • Home Audio
              • Music
              • Relaxing

              Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

              I use this to watch tv because im a bit hard hearing and it helps me a lot,now others in room are not hearing tv blasting.The down side is after 2 weeks very carefully using it,it has a loose wire in it or the switch is going because I have to tap it occasionally to get it working.It has to be used gently as its screwed together small screws in plastic so definatelly wouldn't last a week with kids,but it is nice sound and does seem to hold a charge perfectly..I can even go into other rooms and they work..almost great product

              • Was this a gift?:
              • No

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              4.0

              Excellent wireless Headphones

              By The Dobber

              from Riverside, CT

              About Me Gear Head

              Verified Buyer

              Pros

              • Comfortable
              • Good Bass
              • Good Value
              • Great Sound

              Cons

              • Unattractive Design

              Best Uses

              • Home Audio

              Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

              Great sound & can be used in any part of house with out losing signal unlike infared. A bit bulky but overall a good piece of equipment.

              • Was this a gift?:
              • Yes

              Share this review

               
              5.0

              Great for the Money

              By DaveK

              from Tucson, AZ

              About Me Audiophile, Gear Head, Old And Exsperianced, Ooold Exsperianced

              Pros

              • Comfortable
              • Durable
              • Good Bass
              • Good Value
              • Great Sound
              • Lightweight
              • Stylish

              Cons

                Best Uses

                • Home Audio
                • Music
                • Relaxing

                Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                1st I have the Sony wireless Headphones #925 & 970, which are Nice units, but they both have a lot of minor poping cracking and vertually no bass, even tho the 970 has the same frequency response(10-22,000), the 985 sounds a lot better especially in the bass, and overall..These are Full over the ear headphones(not on the ear), Which are more comfortable, especially if you wear glasses..No real noise to speak of and no drop outs while walking around my apartment.. you'll have to go into the $+ area to beat these..They fit better than the other models and the charging base is better..The old unit #970 is now on my Computer...

                • Was this a gift?:
                • No

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                (1 of 1 customers found this review helpful)

                 
                5.0

                Perfect!

                By RS

                from Los Angeles, CA

                Verified Buyer

                Pros

                • Comfortable
                • Good Value
                • Great Sound

                Cons

                  Best Uses

                  • Home Audio

                  Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                  I have had several headsets for the TV and these are by far the best regarding reception and comfort.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  5.0

                  Gerat so far but must they be so large?

                  By Hibernating in MN

                  from Minneapolis, MN

                  About Me Gear Head

                  Verified Buyer

                  Pros

                  • Comfortable
                  • Great Sound

                  Cons

                    Best Uses

                      Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                      These are among the largest headphones that I've ever worn but will say, they sound great – better than the JVC model it replaces. Also better than JVC is the extremely well engineered charging stand. I only use them for watching late show tv to avoid disturbing my sleeping wife so, it's a bit overkill for this purpose but there are no better options I'm aware of. At the price B&H charges, it was well worth the purchase.

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                      5.0

                      Very good headphones!

                      By VR

                      from Dallas, TX

                      Verified Buyer

                      Pros

                      • Comfortable
                      • Durable
                      • Good Value
                      • Great Sound
                      • Lightweight
                      • Stylish

                      Cons

                        Best Uses

                        • Home Audio
                        • Relaxing

                        Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                        Headphones have very good sound quality. I own other Sony models as well RF960RK and RF970RK. The fact that RF985 does not have replaceable battery does not bother me. In a few years I would want newer headphones anyway - just like smartphones these days. The old headphones tend to have their earpad cushions deteriorated after a while and it's not easy (or cheap) to replace them. So newer headphones would certainly be better. RF985 has lithium battery so it charges quicker and should last longer. When moving away to farther room the audio may break up depending where room is. However, I am only listening to movies or shows so does not bother me either - you do not want to be away from TV for a long time. Also, why would you want to walk around your backyard wearing these headphones? So overall RF985 is very good! Note that I do not like Sennheiser since they are typically not very comfortable to wear but Sony always very comfortable.

                        • Was this a gift?:
                        • No

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                        5.0

                        Excellent value for the price

                        By JHR

                        from Michigan

                        About Me Audiophile, Gear Head

                        Pros

                        • Comfortable
                        • Durable
                        • Good Bass
                        • Good Value
                        • Great Sound
                        • Stylish

                        Cons

                          Best Uses

                          • Home Audio
                          • Music
                          • Relaxing

                          Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                          High quality wireless headphones - good value for the price. These sound as good as the Sennheiser line, perhaps just a bit richer, fuller lower end (bass) with no loss of high end (treble) - nicely balanced sound for music, TV, anything. This set has good range signal strength and I can roam around the house with few problems. As with any headset, there can be particular cold spots where the signal fades, but they compare well with other wireless headsets I have owned (including 6 sets by Sennheiser, one by RCA, one by JVC, one by Phillips, and a couple others.) Some users expect RF purity and total consistency, but with all the EMI/RFI interference caused by wall-wart power transformers, microwave ovens, light dimmers, plasma TVs, flourescent light fixtures, and more, you MUST expect at least some cold spots as you travel through the house. I can use these well out into the yard, and the transmitter is located in the basement. If you want perfection, don't get ANY wireless headphone. For $[$] these are a true bargain and work very well compared to the fieled.

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          These work great

                          By Mr. Wilson

                          from MS

                          About Me Old man

                          Verified Buyer

                          Pros

                          • Comfortable
                          • Great Sound

                          Cons

                            Best Uses

                            • Home Audio
                            • Relaxing

                            Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                            So far these have been great. They are comfortable and the reception carries all through our house. Easy setup. We have been using these for about a week now.

                            • Was this a gift?:
                            • No

                            Share this review

                             
                            5.0

                            I would purchase this product for myself

                            By tony

                            from springfield, pa

                            Verified Buyer

                            Pros

                            • Comfortable
                            • Great Sound

                            Cons

                            • Couldn't Be Adjusted

                            Best Uses

                              Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                              I purchased this product for my mother but because her head is so small they kept falling off. They weren't adjustable. The quality was great.

                              • Was this a gift?:
                              • Yes

                              Share this review

                              (1 of 2 customers found this review helpful)

                               
                              5.0

                              Great for TV

                              By Dom

                              from NJ

                              Verified Buyer

                              Pros

                              • Comfortable
                              • Good Value
                              • Great Sound

                              Cons

                              • Large

                              Best Uses

                              • Home Audio
                              • Relaxing

                              Comments about Sony MDR-RF985RK Wireless Radio Frequency Headphone System:

                              The sound quality on these headphones is crystal clear. I've heard no interference or static. The signal range is very impressive as well. I can go to a number of rooms in the house and still hear the audio perfectly. They are quite big, which takes some getting used to, but are comfortable to wear.

                              • Was this a gift?:
                              • No

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