Cadence QSA-8.1D Single 8″ Active Subwoofer Enclosure

Specifications
RMS Power Handling: 200 Watts
PEAK Power Handling: 400 Watts
Frequency Response: 40Hz – 150Hz
SPL @ 1w/1m: 90dB
System Impedance: 4-Ohm
Dimensions (L x W x H): 12.6″ x 12.6″ x 3.4″ (32cm x 32cm x 8,64cm)

Features
• 8″ Slim Woofer
• Built-in Class D Mono Block
• MosFET PWM Power Supply
• Thermal, Overload, and Speaker Short Protection
• Soft Delay Remote Turn-On Circuitry
• Variable Gain Control
• Variable Phase Shift
• Variable Low Pass Filter: 50Hz – 150Hz
• Variable Subsonic Filter: 20Hz – 50Hz
• Variable Bass Boost: 0dB to +12dB
• S/N Ratio: > 90dB
• Fuse Rating: 20 amps x 1
• Remote Level Control
• RCA Low Level Inputs
• High Level Inputs
• Power and Protection LED Indicators