500 Watt Class-AB Mono Amplifier

The L-1250 amplifier is a 500 Watt (MAX) mono amplifier great for use in moderately sized audio systems requiring a dedicated subwoofer. The amp employs both high/low level inputs for compatibility with a variety radios. It also features a variable 12dB/octave crossover, fixed infrasonic filter to manage subwoofer excursion and a 180-degree phase switch. Bass is handled by a variable on-board bass boost and a remote level control provides adjustment for different music types.

  • Anodized Extruded Aluminum Heatsink
  • 4 AWG Power and Ground Connectors
  • High Level Inputs
  • RCA Pass-Thru Outputs
  • Built-In Fusing
  • MOSFET power supply
  • Variable 12dB/octave crossovers
  • Real time output and power supply thermal sensing
  • Short circuit protection
  • Muted turn-on
  • CEA-2006 compliant
  • CE compliant
  • Sub channel fixed infrasonic filter
  • Variable on-board bass control
  • 180-degree phase switch
  • Remote level control (included)
  • Standard Warranty - 1 Year
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L-1250 Specifications
CEA-2006 Compliant CEA-2006
Number of Channels 1
Rated Power 150 Watts RMS x 1 @ 4-Ohms
250 Watts RMS x 1 @ 2-Ohms
Max Power 300 Watts x 1 @ 4-Ohms
500 Watts x 1 @ 2-Ohms
Efficiency (average) >60
Bridgeable No
Crossover Controls Low-Pass: Variable from 50Hz - 250Hz @ 12dB/Octave Butterworth
Infrasonic: 25Hz @ 24dB/Octave Butterworth
Tone Controls Variable on-board bass boost 0dB - 12dB @ 45Hz
Signal Input Low-Level: 2 RCA (150mV to 4V)
High-Level: 4-pin connector (300mV to 8V)
Signal Output Low-Level: 2 RCA
Power Input Connector Screw terminal
Power Wire Gauge 4 AWG
Speaker Output Connector Screw terminal
Speaker Wire Gauge Up to 10 AWG
Heat Sink Type Extruded aluminum
Cooling Convection
Remote Control Remote Level Control (included)
Visual Indicators Power: Green
Thermal: Red
Protect: Red
Circuit Topology Class CLASS-A/B
THD at Rated Power 4-Ohm: <1.0%
2-Ohm: <1.0%
Frequency Response 25Hz - 250Hz
Signal-to-Noise Ratio >80 dB
Channel Separation -
Shipping Weight 6.25 Lbs. (2.83 Kg.)
Dimensions L11.81" x W7.64" x H2.28"
30cm x 19.4cm x 5.8cm
Specifications subject to change without notice
Available At
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