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JK Audio ComPack Universal Telephone Audio Interface

With $99 Purchase ยป
Your Price: $532.00
List Price: $560.00

Availability: Out of Stock

Product Code: ComPack

Pick up this new handheld road tool to get audio in an out of analog phone lines, PBX systems, even cell phones. Perfect for Remote Broadcasts, IFB feeds, or interviews over any phone connection.

Cell Phones: Simply plug ComPack into the 2.5 mm headset jack of your wireless cell phone. Your phone will recognize ComPack as a headset which will disable the mic and speaker in the phone.

PBX Systems: Unplug the handset from any analog or digital PBX phone and plug the coily cord into ComPack. You can now send and receive audio through the PBX telephone set.

Analog Phones: Plug ComPack into an RJ-11 jack, go off-hook and dial, or answer an incoming call.

ComPack also functions as a simple telecom interface for your beltpack intercom system. This no-frills feature allows you to connect the 3 pin male XLR to your beltpack intercom group. This provides a full duplex, always-on connection to any telephone network.

The ComPack cell phone interface was designed to take advantage of the increasing number of wireless phones that accept third party headsets and earpiece headsets. While some wireless phones have the 2.5 mm jack directly on the phone, others require a headset adapter which converts their proprietary connector into this 2.5mm jack.


  • Works with conventional phone lines, analog and digital PBX or ISDN phones, and most cell phones
  • XLR input (mic / line)
  • 3.5 mm line input
  • Transmit clip LED
  • XLR phone mix output switches to intercom link
  • 1/4" headphone
  • Keypad lockout switch
  • Battery test LED
  • Runs 20 hours on one 9 volt battery


  • Inputs:
    • Female XLR: Impedance: 1k ohms | Level: 15 mV RMS (-34 dBu nom)
    • 1/8" (3.5mm): Impedance: 20k ohms | Level: 250 mV RMS (-10 dBu nom)
  • Outputs:
    • Male XLR, Phone Mix Mode: Impedance: 600 ohms | Level: 45 mV RMS (-25 dBu nom)
    • 1/4" Stereo Headphone Jack: Impedance: 8 ohms | Level: 500 mW
  • Phone Line: RJ11C
  • Isolation: 1500 VAC
  • Ringer LED: 0.9B REN
  • Power: 9V battery, AC power supply, 120-240 VAC (included)
  • Keypad: DTMF
  • Size: 8 x 3 x 2.2 in |20.3 x 7.6 x 5.6 cm
  • Weight: 1.5 lbs | 680 grams

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