Compare Power Acoustik A1800DB Car Amp to Power Acoustik SL4-680 Car Amp

The new Class D series from Power Acoustik is made for bass! The new A1800DB breaks all the cost-to-power boundaries with its cutting-edge class D design and insane power capabilities. A built-in low pass crossover with variable frequency control eliminates the need for an external crossover and makes the A1800DB ideal for driving your subwoofers with clean Power Acoustik power. Other features include variable subsonic filter to help protect your subs, 0-180 degree phase control for tight, accurate bass, 1-ohm stability, and gold-plated terminal-block connectors. A heavy-duty aluminum alloy heatsink gives these amps a distinctive, rugged look while still maintaining a compact footprint. Less

Power Acoustik 25th Anniversary Silver Edition amplifiers sport a clean look with blue reactor light bars hidden under stylish black mesh grilles and chrome end caps. Proprietary MOSFET power supply delivers deep, tight bass, while built-in crossovers match the power to your specific speakers perfectly. V-angled power and speaker terminals accept large gauge wire and are more installation-friendly than standard terminal blocks. There are platinum-plated RCA inputs as well as speaker-level inputs for integration with virtually any audio system. A system distress indicator and 3-way protection circuitry keep this amp calm, cool, and collected even under extreme loads. Other features include switchable bass boost, fully variable low-pass and high-pass filters, and RCA preamp outputs for easy system expansion. Less