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Extreme Audio / ACR Schweinfurt

ESX QL800.6

6-channel Class D digital amplifier 750 watts RMS with bass level remote control

Included:

1 x Amplifier

Bass level remote control

operation manual

Technical data

6-channel Class D digital amplifier

6 x 80/125 watts RMS at 4/2 ohms

3 x 250 watts RMS bridged to 4 ohms

HPF 50-5000Hz (CH1/2)

HPF 10-500Hz (CH3/4 + CH5/6)

LPF 50-5000 Hz (CH3/4 + CH5/6)

RCA inputs via Molex

RCA outputs via Molex

Bandpass function (CH3/4 + CH5/6)

Input selector switch CH2/4/6

Dimensions 254 x 47 x 170 mm

Efficiency up to 90%

Characteristics

Advanced Class D technology with very high efficiency

Dynamic Headroom Technology*

Max. DHR power per channel up to 160 watts RMS 2 ohms

Selected and audiophile-tuned components

Solid aluminum heatsink

Heavy side parts made of cast aluminum

High level inputs with Error Protection System (EPS)

Automatic switch on function

Start/Stop Ready

MOSFET PWM power supply

3-fold protection circuit

Compact bass level remote control

Dynamic headroom

ESX multi-channel amplifiers utilize innovative Dynamic Headroom (DHR) technology to achieve higher maximum RMS output power in typical multi-channel applications. This technology shows its strengths especially when not all channels require full power across the entire frequency spectrum at the same time.

Compact QUANTUM amplifiers in Class D technology have been the spearhead of the ESX range for years. The range extends from the 4 x 300 watt RMS QE1200.4, which won an EISA award, to 1 ohm stable monoblocks, to the palm-sized QS-TWO, which can fit anywhere. The large selection allows for many possible combinations. But that's not all: ESX is now expanding the Quantum range with two more Class D multi-channel power amplifiers, which have a whopping 6 x or 8 x 125 watts RMS at 2 ohms, top sound and state-of-the-art features.

In this context, the new models of the QUANTUM QL series occupy a special position in the ESX range. Ideally, 6- and 8-channel amplifiers are configured so that they do not drive power-intensive 12- or 15-inch subwoofers, but rather develop their potential on 2- or 3-way systems. ESX multi-channel power amplifiers are designed to use the many channels and setting options to optimally supply tweeters, midrange speakers or woofers. In this configuration, they have significantly higher performance than might be assumed at first glance - specifically up to 160 watts RMS per channel. How is that possible? Very easy! By actively extending the frequency ranges to multiple channels or If speakers are distributed throughout the vehicle, all speakers never play at full power at the same time. In this case, the amplifier uses the power reserves of the generous power supply, which all channels can access if necessary. ESX calls this feature Dynamic Headroom Technology, or DHR for short.

If you decide to use four 2-channel models instead of an 8-channel amplifier, for example, the DHR function or the dynamic performance gain cannot be realized. This is because the power supply of the first amplifier is not able to also drive the channels of the second amplifier. Seen this way, 6- and 8-channel ESX amplifiers have a dynamic advantage in multi-channel applications.

If, for budget reasons, you still plan to provide a complete sound system for the vehicle, including a subwoofer, with just one Quantum power amplifier, this is also no problem thanks to the equipment and the ability to bridge all channels. It's even possible. Control the bass level via a wired bass remote. We recommend the bridge of channels 5/6 with 250 watts of mono power for the QL800.6. The QL800.8 can do even more, thanks to the copy function it can provide 2 x 250 watts RMS at 4 ohms on the bridged channels 5/6 and 7/8 including bass control. If you want even more comfort and performance, you can combine the new multi-channel amps with a monoblock QL800.1, for example, which then confidently delivers up to 800 watts RMS per ohm.

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