Black Diamond DIA-K4X 3200W 4-Channel Class D Car Amplifier + EQ7LS 7-Band Car Audio Equalizer Crossover Bundle

Upgrade your entire car audio system in one powerful move with the Black Diamond DIA-K4X Amplifier + EQ7LS Equalizer Bundle. This high-performance combo delivers 3200W max power, studio-grade clarity, precision 7-band tuning, and dedicated subwoofer control—giving you complete command over your mids, highs, and bass. Designed for serious audio enthusiasts who demand power, control, and clean sound.

• 3200W MAX Class D Power for Full-System Performance - The DIA-K4X delivers 280W RMS x4 @ 4Ω, 400W RMS x4 @ 2Ω, or 750W RMS x2 bridged—perfect for powering mids, highs, full-range speakers, or running a bridged setup for serious output
• 7-Band Precision Equalization (50Hz–12KHz) - Fine-tune your sound signature with surgical accuracy. Boost vocals, enhance clarity, or reduce unwanted frequencies for a custom-tailored audio experience
• Dedicated Subwoofer Control with Adjustable LPF (45Hz–120Hz) - Take command of your bass with up to 12dB boost and adjustable crossover control—dial in deep, punchy, distortion-free low-end response
• High-Voltage 5V/8V Outputs for Cleaner Signal Delivery - Front & rear 5V outputs plus an 8V sub output provide strong, clean signal strength—reducing noise and maximizing amplifier performance
• Premium Build + Full Protection System - Matte black chassis with acrylic window and red LED illumination pairs with thermal, overload, short circuit, DC output, and voltage input protection—ensuring reliability, efficiency, and long-term durability