This product is discontinued and the information here is only for reference.

TalkPerfect Duplex Amplifier


The TalkPerfect TP-DX Duplex Amplifier is designed to improve communication at fixed screen counters. The full duplex system amplifies speech for both customer and staff, minimizing background noise and actively reducing acoustic feedback. The TalkPerfect Duplex Amplifier is typically installed below counter in conjunction with a CLD1 induction loop, providing a fully integrated intercom and control module, with a host of features and accessories for integration into any environment.

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One (1) TP-DX TalkPerfect Duplex Amplifier
One (1) Power Supply
One (1) Six (6) way control connector
Two (2) Four (4) way connector
One (1) Phono to jack cable
One (1) Bag of clips & ties
One (1) TalkPerfect DX handbook


  • Full duplex communication
  • Feedback and echo suppression built in
  • Staff headset option
  • Multiple microphone and speaker options
  • Simple integration to CLD1 loop amplifier
  • Compact design
  • All connections are on one panel for ease of installation
  • Fully adjustable gain on both channels
  • Low cost of ownership
  • 5 year warranty



Speaker OutputTwo (2) Speaker Outputs< 0.5% THD @ 1kHz with +11dBu (1W into 8?)Bandwidth: 20Hz - 10kHz.Min load: 4?, Max output level:+14dBu
Microphone InputTwo (2) Microphone InputsSuitable for unbalanced electret capsulesDC bias voltage: 6V through 1k?Suitable source: 1k?Input impedance: 8k?Input noise level: -124dBu
Line OutputUnbalanced phono socket for connection to CLD1 line input - cable supplied


Control PortLED output connects to combi mic speaker toindicate if system is active i.e. Mute turns LED off.PTT & Mute are active low.+12Vdc for external module supply. 100mA fused


Staff OverrideUnbalanced Line I/O using 3.5mm jack socket.Input = Tip, Output = RingInput sensitivity -10dBu with 1k? sourceOutput level max: +4dBu, typical -10dBuOutput Z: 220?


Nominal Voltage12VDC, Quiescent: 170mA 2W, Maximum: 1.0A 12W


Shipping Weight2.0 lbs. (0.91 kg)
Dimensions (H x W x D)1.75 in. (44 mm) x 7.90 in. (200 mm) x 4.33 in. (110 mm)
Operating Temperature-10 to +45ºC, 20 to 90% humidity


StandardsFCC part 15, ICES-3 (B), UL, CUL, CE marked to all relevant safety and EMC standards.