Crescendo BassClef-17K Amplifier

The BassClef-17K (BC-17K) crowns Crescendo’s redesigned BassClef series with elite competition-tier output and a new proprietary thermal-optimized heatsink. Staying true to the brand’s standards of reliability and efficiency, the 17K is engineered for the most demanding SPL and demo builds, delivering 17,000W RMS @ 1Ω, stability to 0.5Ω on sufficient electrical, and up to 17v capability.

Key Features

• Stable to 0.5Ω (with sufficient electrical)
• Up to 17v capable for high-voltage systems
• Proprietary Multi-Piece Thermal-Optimized Heatsink with patent-pending interlocking slide-out CNC-engraved top plate
• 2-stage copper-anodized, removable top plate — easy color matching for show builds
• Silver-plated & hard-wired Tiffany RCA inputs for clean, reliable signal transfer
• Two oversized 1/0 power & ground inputs for efficient current delivery
• Dual 4-gauge speaker output terminals with same-polarity pairs (+ + / − −) for easy parallel wiring
• Overbuilt power supply with heavy copper traces, military-spec PCB, and heavy-duty standoffs for vibration resistance
• Hand-wound heavy-duty transformers & inductors designed to prevent winding shorts from vibration
• Premium components throughout, many at 3% tolerance
• Full 4-stage intelligent protection circuitry
• Warranty: 1 year @ 1Ω; optional 2-year @ 0.5Ω extended warranty

Power Ratings (Clean RMS @ 13.8v)

• 1Ω: 17,000W
• 2Ω: 8,500W
• 4Ω: 4,500W

Dimensions

• Footprint (between mounting brackets): 39.5" L x 12.5" W x 3" H

Why Choose the BassClef-17K?

For builders chasing record-setting output without sacrificing reliability, the BC-17K delivers massive clean power, rugged construction, and superior thermal management — a flagship monoblock purpose-built for the most extreme car audio systems.