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JK Audio Innkeeper 4 - Multi-Line Digital Hybrid

B&H # JKINN4 Mfr # INN4
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You Pay: $1,705.25

The Innkeeper 4 from JK Audio delivers four digital hybrids housed in a single rack-space chassis. 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 variations in quality found in analog hybrids.

The front panel hosts a menu driven keypad, a back-lit display and handset jacks that provide easy speed dialing and call setup. 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. It should be noted that the unit only functions with "wet" phone lines and does not support "dry" (PBX) lines.

The keypad and display allow the user to store fifty phone numbers, sorted by name, in a phone list. The display can also be used 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 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 Innkeeper 4 features Auto-Answer/Auto Disconnect for use in Interruptible Foldback (IFB) and monitoring applications. An included terminal block allows remote off-hook/on-hook control and status for each phone line. Applications for the unit include telephone interviews, talk shows, church PA interface, and conference-room full duplex communication.

Multi-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
Memory/Speed Dial from phone list
Twelve-key telephone style keypad with alpha-numeric legend
16-bit DSP technology with proprietary auto null algorithm, 50dB null
XLR line input, one per line
XLR master input sends audio to selected lines
XLR caller output, one per line
Send and Receive level LED
Remote control and LED status indication
Monitor handset jacks
Auto answer/disconnect
2 x 20 character backlit LCD display
Four cursor buttons and one Enter button next to the display for menu functions
Input 5 x XLR
Output 4 x XLR
Handset Front panel handset jacks biased for electret handset (not included)
Isolation 1500VAC
Phone Line Phone Line: 4 x RJ11C
Aux Phone: 4 x RJ11C
Impedance Input: 20kΩ
Output: 200Ω
Power Requirements 120-240 VAC power supply (internal)
Dimensions (WxDxH) 19 x 7.3 x 1.75" (483 x 185 x 45mm)
Weight 7.2 lbs (3.3 kg)
JK Audio Innkeeper 4 - Multi-Line Digital Hybrid
  • AC Power Cable
  • 4 x RJ11 Phone Line Cables
  • Remote Terminal Block
  • 1 x RJ50 Cable for Remote Terminal Block
  • Two (2) Year Warranty
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