JK Audio Innkeeper 4 Multi-Line Digital Hybrid


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INN4 - Overview

When a Single Line Hybrid Isn't Enough!

JK Audio INN4 Innkeeper 4 squeezes four independent digital hybrids in a 1U rack space. The front panel keypad, display, and handset jacks provide easy speed dialing and call setup. Digital hybrids allow you to send signals into the phone line while maintaining excellent separation between your voice and the caller. The balanced XLR output jacks contain only the caller’s voice. Digital hybrids connect audio signals to standard analog telephone lines without the transmit / receive crosstalk common to analog hybrids. The Digital Signal Processor (DSP) continuously monitors both the phone line and audio signals to deliver excellent separation. This proprietary, dual-convergence echo canceller algorithm can achieve excellent separation, typically exceeding 50 dB, without any setup and without sending a noise burst down the line.

The menu driven keypad and back lit display allow you to store 50 phone numbers by name in a phone list. You can also use the display to set features such as the number of rings before auto answer, master send channel selection, and test tone output. An auxiliary telephone jack is provided for each line. The auxiliary telephone is disconnected when you press the "Call" button, and reconnected when you press the "Drop" button. Innkeeper 4 features Auto-Answer/ Auto Disconnect for use in IFB and monitoring applications. Other applications include: telephone interviews, talk shows, church PA interface, and conference room full duplex applications.

  • Features:

    • Excellent Separation of Caller and
    • Talent Voice
    • 16 bit DSP Technology
    • Auto-Answer (Switchable On/Off)
    • Proprietary Auto Null Algorithm (50 dB null)
    • 1 kHz Tone Generator
    • Memory/Speed Dial
    • Alpha-Numeric Keypad
    • Menu with Backlit LCD Display
    • Caller XLR Line Output - 4
    • Master Send XLR
    • Caller XLR Line Output - 4
    • Monitor Handset Jacks - 4
    • Remote Control via Screw Terminals or RS-232
    • RIU-IP Remote IP Interface
    • Send and Caller Signal Level LEDs
    • Send and Caller Volume Controls
  • Specifications:

    • Input/Output
    • Balanced Female XLR Input: 20k ohms; 500 mV RMS; -4 dBu nom.; +10 dBu max
    • Balanced Male XLR Output: 200 ohms; 500 mV RMS; -4 dBu nom.; +10 dBu max
    • Distortion Output: 0.4% THD @ 12 dBu
    • Frequency Response Output: 160 Hz - 3400 Hz (+/- 3 dB)
    • S/N Ratio (No Caller) Output: 92 dB
    • S/N Ratio (During Call) Output: 49 dB
    • Handset Output: Front panel handset jacks biased for electret handset (not included)

      Physical Characteristics
    • Phone Line: RJ11C
    • Aux Phone: RJ11C
    • Ringer: 0.8B REN
    • Impedance: 600 ohms nom.
    • Isolation: 1500 VAC
    • Remote Control:
    • ASCII RS-232 (DB9)
    • Screw Terminal I/O
    • IP Web Server (optional)
    • Power: 120-240 VAC 50-60 Hz power supply (internal)
    • Dimensions: 1.75 inch x 7.3 inch x 19\ inch (4.5 x 18.6 x 48.3 cm)
    • Weight: 7.2 pounds (3.2 kg)
  • GTIN:


INN4 - Required Accessories

    California Residents:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov