West Mountain Radio PWRspkr

Improve your communications especially in noisy environments with the extra loud PWRspkr 15W loudspeaker.

Features:

• High power 15 watt RMS linear power amplifier minimizes distortion at high sound levels.
• Sharp bandpass filter with 300 Hz to 3.2 kHz pass band attenuates unneeded bass and treble sounds
• Adjustable gain control.
• Power cable fitted with Powerpole^® connectors.
• Plugs into radio's speaker or headphone jack.
• Ideal for use in truck or car for improved communication in noisy environments.

Specifications:

• Power requirements: 9-16VDC; Current: 2A max. w/ 13.8V supply; Quiescent current: 90mA typical.
• Sensitivity: 0.83 VRMS produces full output into 4 ohms (1 kHz signal, 13.8 V supply).
• Loudspeaker driver: 4 in. treated paper cone, 4 ohm impedance, rated power: 20 watts.
• Power amplifier - integrated circuit: 
  • Class AB Linear BTL (bridged-tied-load) circuit
  • 15 watts RMS audio output into 4 ohms when powered by 13.8 V supply
  • Short circuit protected by shut down
  • Over-heat protected by shut down
  • Heat sink is the two PCB ground planes
• Pre-amplifier:
  • Active four stage filter with gain
  • Frequency response is flat 300 to 3.2kHz
  • 18 dB/octave high-pass at 300 Hz (-3 dB)
  • 18 dB/octave low-pass at 3.2 kHz (-3 dB)