Behringer Europower EPQ304 Professional Stereo Power Amplifier with Accelerated Transient Response, 300W, 4x 75 Watts into 4 Ohms, 4x 50 Watts into 8 Ohms. The Behringer Europower EPQ304 Professional Stereo Power Amplifier with ATR is an ultra-light, ultra-low noise and ultra-efficient switch-mode power supply for noise-free audio, superior transient response and low power consumption. It takes huge pulses of energy (current and voltage) to propel a woofer cone out fast enough to match a bass beat.
By carefully selecting transistors with extremely high slew rates and optimizing other proprietary parts of circuitry, amps are able to react instantly to even the most demanding electronic bass impulses. Instead of operating relatively continuously like most power amps, the EPQ power amps feature rail tracking for effectively modulating the power supply rails with only the peaks of the input signal. This technology has revolutionized pro audio amp designs with its outstanding performance and efficiency. When combined with switching-mode power supplies that do away with heavy toroid transformers, provide more dynamic punch and, because it is so much more efficient, run cooler and don't require huge, heavy heat sinks.Everything You Need After pressing the Power Button, the Power LED will light when the amp is ready for action. Both channels have independent gain dials as well as Clip LEDs that indicate when the signal is distorted and you need to reduce the gain. There are also Signal LEDs that light up when a signal is present at the input. The back panel of the EPQ304, accept balanced XLR connections. The EPQ304 has 2 Mono On/Off switch, one for Inputs 1 and 2 and another for Inputs 3 and 4. Output Power: Stereo at 1% THD.
8 Ohms per channel, stereo: 40 W 4 Ohms per channel, stereo: 65 W (All channels driven). Output Power: Bridged Mono at 1% THD. 8 Ohms bridge mode: 130 W (2 pairs of channels bridged). Peak Power: Stereo (All channels driven). 8 Ohms per channel: 50 W 4 Ohms per channel: 75 W.
8 Ohms bridge mode: 150 W (2 pairs of channels bridged). Front: Power switch GAIN control (channels 1,2,3,4) Rear: Mode switch (Mono, Stereo, Bridge). Power: Blue LED Limit (per channel): Blue LED Signal (per channel): White LED (-20 dB, -10 dB, 0 dB). 4 x XLR / 1/4 TRS combo jacks.
10 kOhms unbalanced, 20 kOhms balanced. 4 x locking-style professional speaker connectors.
> 80 at 8 Ohms. Continuously variable speed fan Back-to-front air flow. Full short-circuit, open-circuit, thermal and HF protection. Stable into reactive or mismatched loads. On/off muting, DC-fault power supply shutdown.
Power supply / Voltage (Fuses). 120 V AC, 60 Hz (T 15 A H 250 V). Dimensions (H x W x D). 1.9 x 19.0 x 10.4 (4.82 x 48.26 x 26.41cm).
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