Innkeeper 2 Multi-Line Digital Hybrid

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Innkeeper 2 Multi-Line Digital Hybrid


Innkeeper 2 squeezes two independent digital hybrids in a 1U rack space. The front panel keypad, display, and handset jacks provide easy speed dialing and call setup. Its excellent caller audio output does not exhibit the transmit/receive crosstalk common to analog hybrids. This makes innkeeper 2 perfect for radio or television talk shows, teleconferencing, or auto-answer IFB feeds. 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.


Menu System

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.

Call Conferencing

Call Conferencing is activated by the front panel Conference button or the Remote Interface Unit. The Conference button joins both calls in a 2-way conference when both lines are off hook. Additional options in the configuration menu allow you to tailor the conference feature to your application. These options determine if audio signals on the Send and Caller XLR jacks are mixed or kept separate during a conference. Other applications include: telephone interviews, talk shows, church PA interface, and conference room full duplex applications.

Talk Show

For Talk Show applications combine innkeeper 2 with the Concierge 2×6 Switch Core and a Guest Module Control Surface.




Comparisoninnkeeper 1rxinnkeeper 2innkeeper 4
Excellent Separation of Caller and Talent Voice
16-bit DSP technology
Auto-Answer (Switchable On/Off)
Proprietary Auto Null Algorithm (50 dB null)
Conferencing - -
AGC, Ducking, Presence - -
1 kHz Tone Generator
Memory Speed Dial -
Alpha-Numeric Keypad with Backlit LCD Display -
Send XLR Line Input124
Mic/Line Switch - -
Master Send XLR -
Caller XLR Line Output124
Mix Out XLR Line Output - -
Front Panel 1/4" Headphone Jack - -
Monitor Handset Jacks -24
Remote Control via Screw Terminals or RS-232
RIU-IP Remote IP Interface
Monitor Speaker Terminals - -
Send and Caller Signal Level LEDs
Send and Caller Volume Controls
Made in America
Approved for Sale in Europe and Australia



Line InputBalanced Female XLR
Impedance20k ohms
Level500 mV RMS (-4 dBu nom, +10 dBu max)
Caller OutBalanced Male XLR
Impedance200 ohms
Level500 mV RMS (-4 dBu nom, +10 dBu max)
HandsetFront panel handset jacks biased for electret handset (not included)
Phone Line ConnectorRJ11C
Aux Phone ConnectorRJ11C
Ringer0.8B REN
Isolation1500 VAC
Frequency ResponseTelephone Side 200 Hz-3600 Hz
Power120-240 VAC Power Supply (Internal)
Size1.75” x 7.3” x 19” (4.5 x 18.6 x 48.3 cm)
Weight7.2 lbs (3.2 kg)