Crescendo BassClef-4K Amplifier The Crescendo BassClef-4K is part of the newly redesigned BassClef series, raising the bar for high-power monoblock amplifiers. Built on years of proven performance, the BC-4K combines massive output, superior efficiency, and reliability in a sleek new heatsink design. Stable down to 0.5 ohm and engineered for competition-level installs, this amplifier is a powerhouse for serious bassheads. Key Features Stable to 0.5 Ohm with sufficient electrical. Up to 17v Capable for extreme builds. Proprietary Multi-Piece Thermal Optimized Heatsink – patent-pending interlocking CNC engraved top plate. 2-Stage Copper Anodized Top Plate – removable for custom color matching show builds. Silver-Plated Tiffany RCA Inputs for noise-free signal transfer. Dual 1/0 Power & Ground Inputs for maximum current flow. Dual 4-Gauge Speaker Terminals – easy parallel wiring (+ + / - -). Overbuilt Power Supply with heavy copper traces and military spec PCB for vibration resistance. Handwound Transformers & Inductors for durability under extreme conditions. High-Grade Electrical Components with 3% tolerance for accuracy and longevity. 4-Stage Intelligent Protection Circuitry for peace of mind. Warranty: 1 year @ 1 ohm, optional 2 year @ 0.5 ohm. Power Ratings (RMS @ 13.8v) 1 ohm: 4000W 2 ohm: 2000W 4 ohm: 1200W Certified Amp Dyno Results Tested with Mechman 370a alternator, 8x HPL75 AGM batteries, and Crescendo 1/0 OFC runs: 0.5 ohm: 5710W @ 13.1v 1 ohm: 4416W @ 13.3v 2 ohm: 2529W @ 13.4v Dimensions Main Body: 23 3/4" x 9 1/8" x 2 7/8" Overall Length (including terminals): 25" Why Choose the BassClef-4K? The BassClef-4K delivers the perfect combination of raw power, precision engineering, and thermal efficiency. Whether you’re competing in SPL events or building a show-quality system, this amplifier offers unmatched performance and resilience in the 4,000W class. You may also like: Crescendo Audio Bassclef-8K Amplifier
