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Description
ESX QL800.4 4-Channel Class D AmplifierThe ESX QL800. 4 is a QUANTUM QL 4 channel Class D digital amplifier for compact car audio installations. The official ESX page and owner manual confirm 4 x 125W RMS at 4 ohm, 4 x 200W RMS at 2 ohm and 2 x 400W RMS bridged at 4 ohm. It includes high level inputs with EPS, auto turn on, Start Stop readiness, a MOSFET PWM power supply, 3 way protection, 2 4 channel input selection, copy mode for CH3 4 to CH1 2, bandpass capable filtering and a compact
The ESX QL800.4 is a QUANTUM QL 4-channel Class D digital amplifier for compact car audio installations. The official ESX page and owner manual confirm 4 x 125W RMS at 4 ohm, 4 x 200W RMS at 2 ohm and 2 x 400W RMS bridged at 4 ohm.
It includes high-level inputs with EPS, auto turn-on, Start/Stop readiness, a MOSFET PWM power supply, 3-way protection, 2/4-channel input selection, copy mode for CH3/4 to CH1/2, bandpass-capable filtering and a compact bass remote controller.
Key specifications
- 4-channel Class D digital amplifier
- 4 x 125/200W RMS at 4/2 ohm
- 2 x 400W RMS at 4 ohm bridged
- High-level inputs with Error Protection System (EPS)
- HPF 50-5000 Hz on CH1/2
- HPF 10-500 Hz and LPF 50-5000 Hz on CH3/4
- Copy mode CH3/4 > CH1/2, bass boost 0-12 dB and bandpass function
- Dimensions 226 x 43 x 120 mm
Best used for
Use the QL800.4 for a compact 4-channel speaker amplifier, a bridged two-channel setup, or a front-stage plus subwoofer system where a space-saving amplifier and remote bass control are useful.
Setup note
System design and channel assignment matter on bridgeable multi-channel amplifiers. If you are unsure how to wire this into your vehicle, send us your system details by WhatsApp or email before ordering and we will help check the setup.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy