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JK Audio THAT-1 Telephone Handset Audio Tap

SKU: JKTHAT1 MFR: THAT1
$150.00
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Key Features

  • Capture crystal-clear audio directly from telephone handsets with this audio tap.
  • Achieve superior audio quality for recordings using the balanced RCA phono jacks.
  • Easily connect to your telephone system with the standard RJ-11 phone line interface.
  • Isolate your audio signal with 1500 VRMS isolation, ensuring clean recordings every time.
  • Compact design integrates seamlessly into any studio setup; a true computer interface.
  • Enjoy broad handset compatibility with telephones using an electret-type microphone.
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Special Order?Estimated to Ship: 08/16/2025
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Questions & Answers

Reviews about this item

Review Summary

2016-07-11T10:19:17

Rated 5 out of 5

Simple and effective for quality telephone recording

I do a lot of radio reporting and have used these for years. Easy to hook up and there's a button to make sure nothing is recorded but the person being interviewed. No dogs barking or noisy co-workers. I see in the manual there is a tiny note saying it only works with an "electret microphone" in the phone. I had trouble finding out what that was, but it works fine on my cheap, $30 A&T. I also had very good service from Adorama. I needed to return another product and they got back to be very quickly. When I went to Amazon to order the THAT-1 I saw it was directing me to another vendor, not Adorama. So, I simply went directly to Adorama's website.

Christopher J.

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JK Audio THAT-1 Specifications

  • Line Inputs

    Connector: RCA Phono Jack
    Input Impedance: 20 k ohms
    Level: 250 mV RMS
    Isolation: 1500 VRMS

  • Line Outputs

    Connector: RCA Phono Jack
    Output Impedance: 2800 ohms
    Level: 100 mV RMS
    Isolation: 1500 VRM

  • Handset and Telephone connectors

    Modular 4pin/4wire handset jacks

  • Handset Compatibility

    Telephones that have an electret type mic in the handset

  • Dimensions

    3.70 x 1.60 x 1.30" (9.39 x 4.06 x 3.30cm)

  • Weight

    6.1oz (172.93g)

  • UPC Code

    814170010345

About JK Audio THAT-1

FEATURED REVIEWS

Simple and effective for quality telephone recording

By Christopher J.

I do a lot of radio reporting and have used these for years. Easy to hook up and there's a button to make sure nothing is recorded but the person being interviewed. No dogs barking or noisy co-workers. I see in the manual there is a tiny note saying it only works with an "electret microphone" in the phone. I had trouble finding out what that was, but it works fine on my cheap, $30 A&T. I also had very good service from Adorama. I needed to return another product and they got back to be very q...

View full Review

Connect the JK Audio THAT-1 between your telephone and handset for quick access to audio in and out of the telephone. The THAT-1 is used by radio stations to record and play sound bytes and by computer and telephone companies to demonstrate their computer voice services using a powered speaker.

Simply unplug the handset coily cord from the base of your telephone and plug it directly into the THAT-1. Then, using the supplied cable, connect the THAT-1 back to the telephone. Now connect your audio equipment or powered speaker using the RCA jacks. The Gray pushbutton selects which audio will be sent into the telephone (OUT = talking on the handset, IN = sending audio in through the RCA jack). The output RCA jack contains a nice mix of the audio from both sides of the conversation, as well as the tones being pressed on the keypad. The volume control adjusts the volume of the signal going to your powered speaker or tape recorder.

The THAT-1 will work with many different types of analog and digital PBX and ISDN telephones. The receive side of the THAT-1 (audio From Phone), will work on any telephone. To send audio into the telephone (To Phone), the telephone must have an electret type microphone in the handset. If your telephone has a round mouthpiece or if you intend to use this product on many different telephones, you should consider model THAT-2 which is compatible with a variety of telephone systems. It does not work with cordless or cell phones or any telephone with a keypad in the handset.

JK Audio THAT-1 Features

  • Works with analog, digital, PBX, and ISDN telephones
  • RCA line in and out
  • Use the THAT-1 to get audio in and out of a sound card
  • Get presentation-quality audio using a powered speaker or PA system
  • HD Voice Compatible
  • No battery or AC adapter needed
  • Durable diecast aluminum construction

Product Documents

User Manual

Key Features

  • Capture crystal-clear audio directly from telephone handsets with this audio tap.
  • Achieve superior audio quality for recordings using the balanced RCA phono jacks.
  • Easily connect to your telephone system with the standard RJ-11 phone line interface.
  • Isolate your audio signal with 1500 VRMS isolation, ensuring clean recordings every time.
  • Compact design integrates seamlessly into any studio setup; a true computer interface.
  • Enjoy broad handset compatibility with telephones using an electret-type microphone.

What's in the box:

  • JK Audio THAT-1 Telephone Handset Audio Tap
  • JK Audio 2 Year Warranty