Behringer EUROPOWER EPQ304, Quick Start Manual

Page: 24 / 32

Specifications
24
EUROPOWER EPQ900/EPQ450/EPQ304
EPQ900 EPQ450 EPQ304
Output Power
Peak
Stereo Both channels driven Both channels driven All channels driven
4 Ω / 1 kHz 390 W 230 W 75 W
8 Ω / 1 kHz 245 W 130 W 50 W
Bridged Mono Both channels bridged Both channels bridged 2 pairs of channels bridged
8 Ω / 1 kHz 900 W 460 W 150 W
RMS
Stereo Both channels driven Both channels driven All channels driven
4 Ω / 1 kHz @ 1% THD 275 W 155 W 65 W
8 Ω / 1 kHz @ 1% THD 175 W 95 W 40 W
Bridged Mono Both channels bridged Both channels bridged 2 pairs of channels bridged
8 Ω / 1 kHz @ 1% THD 580 W 310 W 130 W
System
Controls
Front
Power switch
Gain controls
(channels 1 and 2)
Power switch
Gain controls
(channels 1 and 2)
Power switch
Gain controls
(channels 1, 2, 3, 4)
Rear Mode switch (Mono, Stereo, Bridge)
Indicators
Power Blue LED
Limit (per channel) Blue LED
Signal (per channel) White LED (-20 dB, -10 dB, 0 dB)
Circuit
Inputs 2 x XLR / ¼" TRS combo jacks 2 x XLR / ¼" TRS combo jacks 4 x XLR / ¼" TRS combo jacks
Input sensitivity 2.5 dBu 2 dBu 0 dBu
Input impedance 10 kΩ unbalanced, 20 kΩ balanced
Outputs
2 x locking-style
professional speaker
connectors
2 x locking-style
professional speaker
connectors
4 x locking-style
professional speaker
connectors
Output circuit type Class H Class AB Class D
Distortion < 0.3%
Frequency response 20 Hz - 20 kHz, +0 / -1 dB
Voltage gain 30 dB 28 dB 28 dB
Damping factor > 350 @ 8 Ω > 200 @ 8 Ω > 80 @ 8 Ω
Signal-to-noise 104 dB 102 dB 100 dB
Circuit Protection
Cooling
Continuously variable speed fan
Right-to-left air flow
Amplifier protection Full short-circuit, overcurrent, DC protection, thermal protection
Load protection On/off muting, DC fault power supply shut down