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3 inch - Yes - 1 Channel Car Amplifiers

To power up your sub-woofers, install a mono amplifier. Among many features of a mono amplifier are low frequency reproduction, built in bass boost and low pass filters. A class D mono amplifier brings out less heat, are more efficient and draws less current.

One channel car amplifier provide users with a single audio input/output selector to power one speaker. This device is great if you only need to power a large woofer or subwoofer.

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  1. Boss Audio AR3000D Armor Series 3000-Watt Class D Monoblock Power Amplifier with Remote Subwoofer Level Control
    Boss Audio AR3000D Armor Series 3000-Watt Class D Monoblock Power Amplifier with Remote Subwoofer Level Control
    $138.99
    • Class D Monoblock Power Amplifier
    • Strapping Capability
    • Thermal Overload & Speaker's Short Protection
    • Number of RCA Line Output: 2
    Learn More
  2. Boss Audio PD3000 Monoblock amplifier - Main
    Boss Audio PD3000 Phantom Series 3,000 Watt Class D Monoblock Amplifier
    $171.99
    • Phantom series Class D monoblock amp
    • Class D 1 Channel
    • 1 Ohm stable mono operation
    • Maximum power output: 3000 watts x 1 channel
    • Variable low-pass filter: 50 Hz - 250 Hz
    Learn More
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