Symphony S1-Plus Monoblock Bass Amplifier When Crescendo launched the BassClef series, many wondered why the legendary BC2000D wasn’t replaced. Now the answer is here — the Symphony S1-Plus. Delivering more power than the BC2000D in a smaller footprint, the S1-Plus is the ultimate compact banger that lets you run the streets without sacrificing performance. Built on the new Symphony platform, it packs more power density, superior cooling, and clean bass output for serious subwoofer systems. Key Features Rated 2500W RMS @ 1Ω — efficient, reliable bass power Compact Footprint — smaller than the BC2000D but more powerful Custom Symphony Heatsink — optimized for heat dissipation in a slim chassis Korean-built Boards — heavy copper traces and premium-grade components Tiffany RCA Inputs — clean, secure signal transfer 1/0 Gauge Power & Ground Terminals — ensures efficient current delivery Silent Ball Bearing Cooling Fan — keeps temps in check under heavy use Remote Bass Knob Included — convenient bass level adjustment Rated Power Output @ 13.8V (RMS) 1Ω: 2500W 2Ω: 1500W 4Ω: 800W Dimensions Chassis Size: 14.5" L x 7.6" W x 2.5" H Suggested Fuse: 250A Why Choose the Symphony S1-Plus? The S1-Plus Monoblock Bass Amplifier combines BC2000D-level authority with a modern, compact design. Packing clean 2500W RMS output, premium build quality, and efficient thermal management, it’s the perfect choice for bassheads who want big output in a smaller package. You may also like: Crescendo Audio Skyway 3K - 3000 Watt RMS Amplifier