High-Power Class D Monoblock Performance – Upgrade your car audio system with the DS18 ZR500.1D, a 1-channel digital Class D amplifier engineered for clean, powerful bass. Delivers up to 1500W Peak for deep, accurate low frequencies Reliable RMS Power for Any Setup – Enjoy consistent output with 500W RMS @ 1-Ohm, 300W RMS @ 2-Ohms, and 200W RMS @ 4-Ohms, giving you flexible wiring options and stable performance for subwoofers of all sizes Precision Bass Control & Tuning – Tailor your sound with adjustable Low Pass Filter, Subsonic Filter, Gain Knob, and Bass Boost Switch, allowing you to customize every track to your exact frequency preference. Includes Remote Subwoofer Level Remote for quick adjustments Crystal-Clear Sound Quality – Built for audiophile-grade output with >95dB signal-to-noise ratio, 0.01% THD, and 10–220Hz frequency response. Experience tight, distortion-free bass and improved overall sound dynamics in your vehicle Durable, Efficient & Easy to Install – The ZR series amplifier provides 85% efficiency at 4-Ohms, strong 4-gauge power/ground terminals, LED indicators (Clipping/Power/Protect), and a 1-Ohm stable design, ensuring long-lasting performance for demanding car audio setups