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MuxLab 500028-F-2PK Stereo Hi-Fi Balun (Pack of 2)

B&H # MUSHFBF2PK Mfr # 500028-F-2PK
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You Pay: $57.95

The MuxLab 500028-F-2PK Stereo Hi-Fi Balun (Pack of 2) allows unbalanced line level stereo audio to be transmitted up to 5,000’ (1,524 m) via an unshielded copper twisted pair (UTP) in a point-to-point connection. This balun is used in pairs and is designed for high fidelity applications where full audio bandwidth (20 Hz to 20 kHz) is required. This stereo hi-fi balun eliminates the need for costly and bulky audio cables, allowing audio equipment to be connected or moved within a structured cabling environment.

Applications include audio distribution, high-fidelity sound systems, and custom residential audio systems
Environment Line level unbalanced analog audio
Devices DVD players, satellite receivers, MPEG players, laptops, hi-fidelity stereo audio amplifiers, audio switchers, AV monitors, and other line level audio equipment
Transmission Transparent to the user
Bandwidth 3 dB: 20 Hz to 20 kHz over the distance range
Maximum Input 1.1 Vpp (unbalanced)
Insertion Loss Less than 2 dB over the frequency range (per balun pair)
Common Mode Rejection Greater than 60 dB @ 1 kHz
Greater than 40 dB over the frequency range
THD Less than 0.007% @ 1 kHz
Impedance Audio Source: 100 Ω maximum
Audio Receiver: 10 kΩ minimum
Maximum Distance CAT 5 UTP: 3,250' (990.6 m)
Pin Configuration RJ45
Audio 1 (White): pins 1 (Receiver) and 2 (Transmitter)
Audio 2 (Red): pins 3 (Receiver) and 6 (Transmitter)
Cable UTP
24 AWG or lower solid copper twisted pair wire
Impedance: 100 Ω at 1 MHz
Maximum Capacitance: 20 pf/ft
Attenuation: 6.6 dB/1,000' at 1 MHz
Coax: Shielded audio cable
Connectors 2 x RCA jacks, 1 x RJ45
Temperature Operating: 32 to 131°F (0 to 55°C)
Storage: 68 to 185°F (20 to 85°C)
Humidity Up to 95%
Enclosure ABS
Fire-retardant plastic
Dimensions 2.4 x 2.25 x 1" (60.96 x 57.15 x 25.4 mm)
Audio Lead: 6" (152.4 mm)
Weight 3.1 oz (89 g)
MuxLab 500028-F-2PK Stereo Hi-Fi Balun (Pack of 2)
  • Lifetime Warranty
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    by PowerReviews
    MuxLab500028-F-2PK Stereo Hi-Fi Balun (Pack of 2)
     
    4.5

    (based on 2 reviews)

    Ratings Distribution

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    Reviewed by 2 customers

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    4.0

    Highly recommended

    By Wotje Image

    from Washington DC

    About Me Hobbyist

    Verified Buyer

    Pros

    • Easy To Use
    • Professional Quality

    Cons

      Best Uses

        Comments about MuxLab 500028-F-2PK Stereo Hi-Fi Balun (Pack of 2):

        These work amazingly fast. I'm up on the third floor and able to send audio from basement through the Yamaha's RX-A730 receiver's zone 2 via Muxlab's Balun. And because I am streaming the music through iTune's air play, I am able to playback same audio source through Apple airport express on second floor. Muxlab products performed very well. No latency between the two output sources. Audio output from Muxlab Balun also sounds amazingly clean and crisp. I highly recommend this product.

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        (1 of 1 customers found this review helpful)

         
        5.0

        Just what I needed

        By AlexK

        from Central NJ

        About Me Electrical Engineer, Hobbyist

        Verified Buyer

        Pros

        • Compact Design
        • Easy To Use
        • Highly Compatible
        • Improves Performance
        • Lightweight
        • Professional Quality

        Cons

          Best Uses

          • Distributing Home Audio

          Comments about MuxLab 500028-F-2PK Stereo Hi-Fi Balun (Pack of 2):

          After wasting time and money installing Leviton RCA to 110 Quickport Inserts (40735) around my house, I discovered I should have just used RJ-45 Quickport connectors with MuxLab Stereo Hi-Fi Baluns.

          These do exactly what they are suppose to do: send audio from a line-out source to a line-in source via Cat 5 or Cat 6 UTP cable. The specs say this will work for 1 Km of cable length, so this should work fine in any whole-house audio installation.

          For example, I have a stereo in my living room and I want to share music with my den. I connect the stereo Tape Monitor Out audio line connector to one MuxLab balun, which is connected to the Cat6 in my wall. At the patch board in my basement, I connect the living room Cat6 connector to the den Cat6 connector run. The total cat6 run is about 100 ft. In the den, I connect the cat6 to the balun to the "aux in" of another stereo receiver I have. Now, to hear the living music in the den, but still be able to control the volume in the den, I just select "Aux In" on the den receiver whenever the living room receiver is on. Works great!

          The reason why this works is because these devices use an inline transformer to isolate the source, the cable, and the destination. This allows the Cat5 UTP to fully work as a balanced pair to cancel ambient noise and hum.

          For example, when I first used the Leviton RCA to 110 Quickport Inserts, the sound was 90% hum drowning the music. When I satisfyingly cracked open one of these Leviton devices, I saw that the RCA cables were directly connected to the UTP. Doesn't Leviton test this stuff or have design reviews?

          Anyway, using the MuxLab balun allows audio to be transmitted over Cat 5 will low noise. I have a run with about 100 feet and notice a little hum when I crank up the amp with no music, but nothing noticeable when music is playing.

          NOTE THAT this model is the "HI-FI" model with full 20-20K Hz range. There is another similar model that is not "HI-FI" with a more limited bandwidth. Get the HI-FI model for home stereo.

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