Product Description
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Key Features
• 180W Max @ 4 Ohm power output
• Auto power on/off with signal presence
• High and low level inputs
• High level outputs
• Active crossover variable from 20Hz - 200Hz
This completely self-contained amplifier module simply fits into the back of a sub-woofer cabinet. The unit will automatically spring into life from it's Standby mode once a signal is received. The Volume and Crossover Frequency Controls together with the Phase Correction Switch allows the sub-woofer to be set for a desired sound. Installation can be completed in just minutes, simply make a 235mmH x 175mmW cutout into the back of the enclosure and slip in the module. Overall depth is 100mm.
Features
- Auto power on/off with signal presence
- High and low level inputs
- High level outputs
- Volume control
- Short circuit output protection
- Active crossover variable from 20Hz - 200Hz
- Phase reversal switch
Specifications
- Power Output: 180 Max @ 4Ω (0.5% THD)
- Frequency Response(Variable): 20Hz - 200Hz
- Roll Off Rate: 6dB/Octave
- S/N Ratio: >64dB
- Auto Turn On Sensitivity: 21mV
- Auto Power Off Time: 15-20 Minutes
- Input Impedance: (Line) 47k Ω, (Speaker) 200 Ω
- Size of facia plate: 210 x 270mm.
*Specifications are subject to change without notice.
Dimensions
Amplifier |
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| H x W x D: | 270 x 210 x 100 mm |
| Cut Out (H x W): | 235 x 175 mm |
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Product Reviews
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Opus One A2451 180W Active Subwoofer Amplifier
Very happy with this unit. I fitted it to a subwoofer that I had in for repair, It's own amplifier had failed and could not be repaired. Excellent choice for anyone looking to replace a unit not functioning or to use when building a subwoofer from scratch.
