QSC SPA4-100

Stereo mode, W/channel
8Ω dynamic, both channels driven: 100W
4Ω dynamic, both channels driven: 100W
Bridge mode: watts per channel pair
8 Ω & 4 Ω 200 W
70V and 100V: 175W*
Signal-to-noise ratio (A-weighted, 20Hz–20kHz): >100dB
Input sensitivity: 1.23Vrms (+4dBu)
Maximum voltage gain: 25.0dB
Output circuit: Class D
Frequency response (20Hz–20kHz)
Input impedance: >10kΩ balanced, >10kΩ unbalanced
Maximum input level: 12.3V (+24dBu)
High-pass filter: switchable 80Hz when bridged at 70V or 100V
Controls: 4Ω/8Ω/70V bridged high-pass on / 100V bridged high-pass on (channel pairs)
Dimensions (H×W×D): 1.7 × 8.7 × 9.5 inches / 1RU
Dimensions (H × W × D): 43 × 220 × 241mm / 1U
Weight: 1.4kg