ESX Quantum QL800.8
8-channel amplifier
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Description
The Quantum QL800.8 from ESX is a state-of-the-art 8-channel amplifier that stands out with its advanced Class D technology and Dynamic Headroom technology. This efficient technology enables a remarkable output of up to 160 watts RMS per channel. With its distinctive features such as a massive aluminum heat sink, MOSFET PWM power supply and high-level inputs with Error Protection System, the Quantum QL800.8 is a masterpiece of audiophile engineering. Configured for power-optimized 2- or 3-way systems, this amplifier offers better performance than it might nominally appear at first glance. The complete channel bridging capability allows flexible adaptation to your individual needs.
Properties
- Compact QUANTUM amplifiers with 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 has won an EISA award, to 1 ohm stable monoblocks and the palm-sized QS-TWO, which fits in 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 offer a full 6 x or 8 x 125 watts RMS into 2 ohms, top sound and state-of-the-art features.
- The new models in the QUANTUM QL series occupy a special position in the ESX range in this context. Ideally, 6- and 8-channel amplifiers are configured in such a way that they do not drive power-intensive 12- or 15-inch subwoofers, but rather unfold their potential in 2- or 3-way systems. ESX multi-channel amplifiers are designed to use the many channels and setting options to optimally supply tweeters, mid-range drivers or bass-midrange drivers. In this configuration, they have a much higher output than might be expected at first glance - up to 160 watts RMS per channel. How is this possible? Quite simply! By actively distributing the frequency ranges to several channels or speakers in 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 unit, which all channels can access if necessary. ESX refers to this feature as Dynamic Headroom Technology, or DHR for short.
- If you decide to use four 2-channel models instead of one 8-channel amplifier, for example, the DHR function or the dynamic power gain would not be possible. This is because the power supply unit of the first amplifier is not able to drive the channels of the second amplifier. From this perspective, 6 and 8-channel ESX amplifiers have a dynamic advantage in multi-channel applications.
- If, for budget reasons, it is nevertheless planned to use just one Quantum power amplifier to provide a complete sound system for the vehicle, including a subwoofer, this is also no problem thanks to the equipment and bridgeability of all channels. It is even possible to control the bass level via a wired bass remote. We recommend bridging channels 5/6 of the QL800.6 with 250 watts of mono power. The QL800.8 can do even more, providing 2 x 250 watts RMS at 4 ohms on the bridged channels 5/6 and 7/8, including bass control, thanks to the copy function. If you want even more convenience and power, combine the new multi-channel amps with a QL800.1 monoblock, for example, which then delivers up to 800 watts RMS into one ohm.
- Advanced Class D technology with very high efficiency
- Dynamic Headroom technology*
- Max. DHR power per channel up to 160 watts RMS @ 2 Ω
- Selected and audiophile-tuned components
- Solid aluminum heat sink
- Heavy cast aluminum side panels
- High-level inputs with Error Protection System (EPS)
- Automatic switch-on function
- Start/Stop Ready
- MOSFET PWM power supply unit
- 3-fold protective circuit
- Compact bass level remote control
Technical data
- 8-channel Class D digital amplifier
- 8 x 80/125 Watt RMS @ 4/2 Ω
- 4 x 250 Watt RMS @ 4 Ω bridged
- HPF 50-5000 Hz (CH1/2 + CH5/6)
- HPF 10-500 Hz (CH3/4 + CH7/8)
- LPF 50-5000 Hz (CH3/4 + CH7/8)
- Copy mode CH7/8 > CH5/6
- RCA inputs via Molex
- RCA outputs via Molex
- Bandpass function (CH3/4 + CH7/8)
- Input selector switch CH2/4/6/8
- Dimensions 285 x 47 x 170 mm
- Efficiency of up to 87
Download data sheet
