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Ultra-lightweight, ultra-low noise, low power switching power supply, 4-channel power amplifier with ATR technology (Accelerated Transient Response) for clear, punchy sound. ATR technology (Accelerated Transient Response) delivers clear, punchy sound, ideal for applications where a large number of low input speakers are required. This model is ideal for background music in cafes, apparel stores, and other retail spaces.

Compact and lightweight, the EPQ series of BERLINGER power amplifiers are easy to carry. The lineup includes five different models to suit different applications. The power supply uses a switching power supply for improved power efficiency. You can choose the model that best suits your application, from background music in a store to outdoor events.

EUROPOWER EPQ304

The amazing 4-channel power amplifier EPQ304 packs a heart-stopping 300 watts of total output power in an extremely light (4.0 kg) package, thanks to Accelerated Transient Response (ATR) technology. It is a workhorse that combines ample power (4 x 75 W @ 4 ohms, 4 x 50 W @ 8 ohms) with high efficiency.

ATR technology for a furious strike

To move the woofer cone fast enough to match the bass beat, a huge energy pulse (current and voltage) is required. This is called ATR or Accelerated Transient Response and is the ultimate goal of amplifier designers. By carefully selecting transistors with very high slew rates and optimizing other proprietary components of the circuit, the amplifier responds instantly to even the most demanding bass impulses. tighter, crisper, more natural sound.

Extremely Simple Operation

Front panel controls and indicators let you know at a glance how the system is being used. When the power button is pressed, the power LED illuminates to indicate that the amplifier is ready. All channels have signal LEDs that light up when a signal is present and clip LEDs that indicate that the signal is distorted and the input signal needs to be reduced. The rear panel, as elegant as the front panel, provides balanced XLR and 1/4” TRS inputs and a professional Speakon output jack. Channels 1/2 and 3/4 can be used in mono, stereo (2-channel mode), or mono bridge mode.

■Type: 4-channel power amplifier

Stereo output (2ohms): x

Stereo output (4ohms): 65W x 4 (RMS)

Stereo output (8ohms): 40W x 4 (RMS)

Bridge output (4ohms): x

Bridge output (8ohms): 130W x 2 (PGM)

Frequency response: 20Hz-20kHz

Damping factor：>80@8ohms

Input jacks: 4 x XLR/1/4” TRS combo jacks

■Output jacks: 4 x Speakon

■Detailed specs:

75W x 4 (peak) multi-channel power amplifier with ATR (Accelerated Transient Response) technology that accurately portrays everything from subtle tones to vibrant sounds

<Features

75W x 4 (4 ohms), 50W x 4 (8 ohms); 130W (8 ohms) in 2-pair bridged mono configuration. Peak power

ATR (Accelerated Transient Response) technology delivers high clarity and a powerful beat.

■Switchable limiter with highly reliable overload protection.

Switch-mode power supply for light weight and power savings while maintaining accurate response performance and low noise.

Precise gain control allows accurate matching with speaker sensitivity.

■Power, signal, and clip indicators support accurate monitoring.

Professional-grade Speakon and servo-balanced XLR and standard phone jacks are available for outputs.

Individual channel DC and thermal overload protection circuits protect the amplifier and speakers.

Back-to-front ventilation system with air filter to avoid dust and other problems.

Rugged all-metal 2U rack mount hardware.

<Specifications

4-channel power amplifier

Number of channels: 4

■Channel output(1kHz, THD 1%):

(4Ω)75W(peak)×4, 65W(RMS)×4

(8Ω) 50W (peak) x 4, 40W (RMS) x 4

■Bridged mono output (1kHz, THD 1%):

(8Ω)150W(peak)×2, 130W(RMS)×2

Frequency response: 20Hz to 20kHz, +0/-1dB

Damping factor: 80 or better (8Ω)

Input impedance：20kΩ(balanced), 10kΩ(unbalanced)

Input sensitivity: 0dBu

Input terminals:Combined XLR and standard phone jack (3P)

■Output terminal:4P Speakon

Power supply：AC100V, 50/60Hz

Power consumption: 380W (instantaneous maximum value)

Dimensions (W x H x D): 482 x 49 x 265 mm, 1U

■Mass: 4kg

■Accessory: Power cord