JK Audio TAP-1 Telephone Audio and Power Interface, 600 ohms RCA Line Input and Output

SKU: JKTAP1 MFR: TAP1
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Key Features

  • Get pristine audio quality with this telephone audio interface for clear calls.
  • Easily connect to phone lines with the RJ-11 interface for seamless communication.
  • Enjoy low latency during recordings, ensuring real-time audio synchronization.
  • Use the RCA line input/output for versatile connectivity with various devices.
  • Achieve optimal sound with adjustable impedance, tailoring audio to your needs.
  • Compact design ensures ease of use, fitting perfectly into any studio setup.
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Special Order?Estimated to Ship: 09/13/2025
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JK Audio TAP-1 Specifications

  • Input

    Connector: Gold plated RCA jack
    Impedance: 600 ohms
    Level: Rear panel recessed control
    Bandwidth: 60 Hz - 15 kHz (+/-3 dB)
    120 Hz - 8 kHz (+/-1 dB)

  • Output

    Connector: Gold plated RCA jack
    Impedance: 600 ohms
    Level: Rear panel recessed control
    Bandwidth: 180 Hz - 12 kHz (+/- 3 dB)
    300 Hz - 6 kHz (+/- 1 dB)

  • RJ-11

    RJ-11
    AC Impedance: 510 ohms
    DC series resistance: 480 ohms
    DC Voltage: -48VDC (open circuit)
    DC Current Max: 70 mA (short circuit)
    Trans-Hybrid Loss: > 50 dB at 1 kHz
    Hybrid Null Adjust: Rear panel recessed control

  • Housing

    ABS plastic

  • Power

    18 VAC, 160 mA
    120 VAC, UL approved transformer

  • Dimensions (H x W x D)

    1.60 x 5.10 x 5.20" (4.06 x 12.95 x 13.20cm)

  • Weight

    1lbs (0.45kg)

  • UPC Code

    814170010338

About JK Audio TAP-1

After extensive research and development, the JK Audio TAP-1 emerges as a high-quality, durable, and reliable Telephone Audio and Power Interface. This innovative device is designed to power an analog telephone with the necessary -48 volts DC, while simultaneously separating audio into distinct transmit and receive paths.

Acting as a virtual RJ-11 wall jack, the TAP-1 is an essential tool for a wide range of audio applications. It replicates the functionality of a standard telephone wall jack, providing the necessary power to your phone through the Tip and Ring wires. These two wires form a balanced, two-way voice path that can transmit signals over long distances with minimal noise and signal loss.

The TAP-1 is more than just a phone line simulator. It's a versatile device that can transform a burdensome two-wire interface into a user-friendly solution for getting audio in and out of a telephone without needing a connection to the telephone company. This is achieved through a process known as a 2-wire to 4-wire hybrid, where the TAP-1 provides the Tip / Ring interface and -48 volt supply, and then separates the audio into transmit and receive paths.

Designed with compatibility in mind, the TAP-1 can be used with a wide range of devices, including digital cameras, lenses, pro audio & video, professional gear & musical instruments from top brands. It also boasts both RCA and RJ-11 interfaces, making it a convenient choice for connecting devices that use different types of connections to a computer.

Whether you're working on a TV or film studio set, testing telephones, voice coding algorithms, or phone line equipment, the TAP-1 is built to meet high specifications for laboratory testing use. Its user-friendly design and innovative features make it a reliable choice for professionals in the field of audio and video technology.

JK Audio TAP-1 Features

  • 600 ohm RCA line in and out
  • Recessed input and output volume controls
  • Hybrid null adjustment optimizes transmit and receive separation to >50dB
  • Put two units back-to-back or through a mixer for TV or film studio recording
  • Put an analog telephone on your sound card for Internet Telephone use

Product Documents

User Manual

Key Features

  • Get pristine audio quality with this telephone audio interface for clear calls.
  • Easily connect to phone lines with the RJ-11 interface for seamless communication.
  • Enjoy low latency during recordings, ensuring real-time audio synchronization.
  • Use the RCA line input/output for versatile connectivity with various devices.
  • Achieve optimal sound with adjustable impedance, tailoring audio to your needs.
  • Compact design ensures ease of use, fitting perfectly into any studio setup.

What's in the box:

  • JK Audio TAP-1 Telephone Audio and Power Interface
  • External Power Supply
  • JK Audio 2 Year Warranty