Ampetronic CLS2 Induction Loop Amplifier

£352.80 (inc VAT)
£294.00 (ex VAT)
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The Ampetronic CLS2 is the second unit in a series of induction loop drivers aimed at the demands of the electrical and audio-visual contractor.

Designed for simple discreet installation, the CLS2 is the most capable driver in its class. The amplifier is very compact, yet the most powerful unit available designed specifically for wall mounting. All connections and controls are secured behind a tamper resistant, hinged, detachable cover. Combined with its small size, the range of mounting and cabling options ensure that installation is convenient and tidy in any environment. Input options are extensive, with four independent inputs for balanced microphone, balanced and unbalanced line, low impedance and 100V - line speaker systems, plus priority alarm, doorbell or telephone connections.

Backed by Ampetronic's standard 5 year warranty and comprehensive support services, the CLS2 is truly fit and forget.

CLS2 Key Features:

  • Quick and simple to install
  • Area coverage to >400m2
  • Highest power loop driver in class
  • 4 Independent configurable inputs
  • Wall mounted
  • Metal Loss Correction
  • 5 Year warranty
  • Cabling and controls behind tamper resistant cover
  • 2 Priority alarm inputs
  • Free Technical support


  • Input 1: Balanced Mic, balanced or unbalanced line, Input impedance 10kΩ per side, Min level (MIC / Line -73dBu / -31dBu, Max level (MIC / Line) -37dBu / +5dBu, Phantom voltage MIC only +12V
  • Input 2: As input 1 mic level, Balanced mic, Input impedance 10kΩ per side, Min level (MIC / Line -73dBu / -31dBu, Max level (MIC / Line) -37dBu / +5dBu, Phantom voltage MIC only +12V
  • Input 3: Balanced or unbalanced line, expansion port, Input impedance 1MΩ per channel, Min level -33dBu, Max level +3dBu
  • Input 4: Isolated 100V line or low impedance mono or stereo speaker, Input impedance 100V Line / spkr 120kΩ / 7.8kΩ, Min level 100V Line / spkr +14dBu / -9dBu, Max level 100V Line / spkr >+47dBu / >+27dBu
  • AC power input supply: 230V 30W 45-65Hz, 120V option available (ETL Approved), Connected via chassis mounted screw terminal block
  • Drive voltage: >6.4Vrms - 9.0Vpk
  • Drive Current: Continuous 1kHz sine wave >4.6Arms 7.0Apk, Short term peaks >7Arms 10Apk
  • Minimum Loop Resistance: 0.2Ω
  • Maximum Loop Impedance: 1.3Ω
  • Frequency response: 80Hz to 6.3kHz ±3dB
  • Distortion: THD+N
  • Dimensions W x H x D: 20 x 20 x 4.4 cm
  • Weight: 1.8kg

We can supply the full Ampetronic range, please contact us for details

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