The Kicker ZX400.1 is a Class D mono subwoofer amplifier, with the primary model number (MPN) often listed as 06ZX400.1 or sometimes just ZX400.1. This 400-watt RMS amp is designed for subwoofers, delivering 200W x 1 at 4 ohms or 400W x 1 at 2 ohms. It is known for its high efficiency and often includes a remote bass level control.
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