JK Audio Innkeeper 1x Digital Hybrid - Desktop

JK Audio Innkeeper 1x - Single Channel Digital Hybrid in Desktop Enclosure

JK Audio Innkeeper 1x - Single Channel Digital Hybrid in Desktop Enclosure

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JK Audio INN1X overview

  • 1Description

The Innkeeper 1x from JK Audio is a single line digital hybrid housed in a desktop enclosure. The main function of a hybrid is to extract a caller's voice coming in on a phone line, while keeping it separate from the receiver's outgoing audio. Both these streams can then be controlled in various ways. A digital hybrid provides audio that is clearer and cleaner over the variation in quality found in analog hybrids. The unit functions with both "wet" and "dry" (PBX) phone lines. (Dry line installation is always a custom configuration and requires substantial telephone system knowledge.)

In order to achieve the required separation, an internal Digital Signal Processor (DSP) continuously monitors both the phone line and audio signals The proprietary echo canceller algorithm can achieve excellent separation, typically exceeding 50dB without any additional setup. Signals can be monitored from the front-panel headphone output, with a choice of the caller's voice, the sender's signal, or a mixture of both. This output is also at the rear panel screw terminals, to which an external monitor speaker can easily be added.

An auxiliary telephone jack is provided that can be used to initiate or screen calls, and is disconnected when the "Call" button is depressed and reconnected when the "Drop" button is pressed. The unit features Send and Caller volume controls (hidden behind an access panel) and Caller Ducking drops the Caller output level by 9dB whenever the host speaks allowing the host to remain in control of the show. Additionally, AGC (Automatic Gain Control) keeps the caller volume to a steady, average level.

A "Presence" button engages a digital filter that boost the low frequency content of the caller's signal, to enhance the quality of the transmission. A Test Tone generator sends a 1kHz full-level tone either down the phone line or out the Caller XLR jack and can be useful in setting levels. Applications for the Innkeeper 1x include telephone interviews, talk shows, church PA interface, and conference-room full duplex communication.

Note: The Innkeeper 1x and the Innkeeper 1rx are identical in functionality, differing only in their respective housings.

Single-line digital hybrid that connects audio signals to/from a standard analog telephone line without the variations in quality found with analog hybrids
Excellent separation of "send" and "receive" audio
16-bit DSP technology with proprietary auto null algorithm, 50dB null
Balanced XLR microphone/line input
Balanced XLR caller output
Balanced XLR user-defined output
Front panel headphone jack that can monitor the user-defined output
Monitor speaker terminals on rear panel that mirror the headphone output
Send and Receive level LED
Remote control screw terminals
Auto answer/disconnect
AGC Automatic Gain Control), Presence, Ducking and Tone Generator features
In the Box
JK Audio Innkeeper 1x - Single Channel Digital Hybrid in Desktop Enclosure
  • AC Power Cable
  • CN081 Serial Port Cable
  • RJ11 Phone Line Cable
  • Two (2) Year Warranty
  • Table of Contents
    • 1Description

    JK Audio INN1X specs

    Input 1 x XLR
    Output 1 x XLR Caller Out
    1 x XLR Mix Out
    1 x 1/4" TRS phone Headphone
    Handset Headphone output
    Isolation 1500VAC
    Phone Line Phone Line: 1 x RJ11C
    Aux Phone: 1 x RJ11C
    Impedance Input: 20kΩ
    Output: 200Ω
    Power Requirements 120-240 VAC power supply (internal)
    Dimensions (WxDxH) 10.5 x 7.3 x 1.75" (267 x 185 x 45mm)
    Weight 5.2 lbs (2.4 kg)
    Packaging Info
    Package Weight 5.15 lb
    Box Dimensions (LxWxH) 13.2 x 9.7 x 2.2"

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