


Crescendo Audio BassClef BC-17K Monoblock Amplifier 17000W RMS
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
Subwoofer Wiring Diagram
Select your configuration to view possible wiring combinations.
Loading wiring diagrams…
Diagrams are on our wiring diagram page.
- POWER — 17000W RMS at 1 ohm of clean output
- STABILITY — Stable down to 0.5 ohm on sufficient electrical, up to 17V capable
- TERMINALS — Two sets of oversized 1/0 power/ground inputs plus dual 4 gauge speaker outputs
- PROTECTION — Full 4-stage intelligent protection circuitry
- BUILD — Multi-piece thermal-optimized heatsink with removable copper-anodized top plate
This Listing Includes: (1) Crescendo Audio BassClef BC-17K Monoblock Amplifier
The BassClef BC-17K is the flagship of the BC series, delivering massive clean power with even higher power-per-square-inch and resilience than previous generations. It features silver-plated hard-wired Tiffany RCA inputs, an overbuilt power supply with heavy copper traces, and hand-wound transformers and inductors for extreme vibration resistance. It ships with a 1 year/1 ohm comprehensive warranty, with an optional 2 year/0.5 ohm extended warranty available. Authorized Crescendo Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- Stable down to 0.5 ohm, up to 17V capable
- Multi-piece thermal-optimized heatsink with slide-out engraved top plate
- Removable 2-stage copper-anodized top plate
- Silver-plated hard-wired Tiffany RCA inputs
- Two sets of oversized 1/0 power/ground inputs
- Dual 4 gauge speaker output terminals
- Full 4-stage intelligent protection circuitry
Specifications
| RMS Power @ 1 ohm | 17000W |
| RMS Power @ 2 ohm | 8500W |
| RMS Power @ 4 ohm | 4500W |
| Rated Voltage | 13.8V |
| Power/Ground Inputs | Two sets of 1/0 gauge |
| Dimensions | 39.5"L (between mounting brackets) x 12.5"W x 3"H |


