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The DII1400.5 is a compact 5-channel Class-D car amplifier: four full-range channels plus a dedicated mono channel for a subwoofer. It fits a 9.7" x 5.4" footprint and runs a whole system from one unit, with top-mounted controls under a protective cover. Power is 160W x 4 at 2 ohms, 100W x 4 at 4 ohms, and 800W x 1 mono at 2 ohms, with 4-ohm bridging on the stereo channels at 320W x 2. It suits drivers who want one small amp for speakers and bass instead of separate units, and it competes on flexibility: 2/4-channel input switching, RCA pass-through, three turn-on modes and a tunable mono channel.
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The DII1400.5 is a 5-channel Class-D amplifier with four full-range channels and a dedicated mono channel. It can run speakers and a subwoofer from one compact unit that measures 9.7" x 5.4". The controls are mounted on top under a protective cover.
Each of the four full-range channels delivers 160W at 2 ohms or 100W at 4 ohms. The mono channel delivers 800W at 2 ohms. The stereo channels can be bridged at 4 ohms for 320W x 2.
A 2/4 channel input switch lets the amplifier work with head units that have limited RCA outputs, and RCA pass-through allows daisy-chaining. The mono channel has 0–12 dB bass boost, a 10–50 Hz subsonic filter, and a remote bass control output. A 4-way protection circuit guards against thermal, voltage, and speaker DC faults. Clip detection LEDs light at 1% THD.
