ESX QUANTUM QS-TWO nano class D 2-channel amplifier 2x95W / 1x190W

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📦 Preparation and shipping

In-stock products ordered before 12 p.m. are generally shipped the same day. After 12 p.m., shipping generally takes place on the next business day.

Pickups are available Monday through Friday, excluding holidays.

🚚 Our delivery methods

• Chronopost Économique pickup point: free delivery with purchases of €49 or more (4 to 10 business days).
• Chronopost 24h pickup point: fast delivery to a pickup point.
• 24h home delivery: our only home delivery option. Please note that this delivery method is not considered a guaranteed express delivery.

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Highlights

• Ultra-compact Class D nano amplifier: 90 x 35 x 70 mm
• Power output of 2 x 95W RMS @ 2 ohms or 1 x 190W RMS @ 4 ohms bridged
• Exceptional 90% efficiency for energy saving and low heat generation
• Ultra-low Total Harmonic Distortion (THD+N < 0.007% @ 5W)
• Extended bandwidth up to 60 kHz for HD audio

Description

The ESX QUANTUM QS-TWO amplifier redefines compact amplifier standards with its impressive power of 2 x 95 watts RMS at 2 ohms in a nano format of only 90 x 35 x 70 mm. Despite its small size, this Class D amplifier effortlessly powers speaker systems with 4, 3, or 2 ohm impedance while maintaining great stability even under heavy loads.

ESX perfectly masters the design of Class D amplifiers, allowing the QS-TWO to achieve an exceptional 90% efficiency while being free from electromagnetic interference. This modern technology saves energy, relieves the vehicle's electrical system, and protects components from overheating. Thanks to its high efficiency, there is no need to run large power cables.

• High-end sound quality with 10 Hz to 60 kHz bandwidth
• Incredibly low THD+N below 0.007% @ 5W for sound purity
• 190W RMS bridged mono power @ 4 ohms for subwoofers
• Massive cast aluminum heatsink
• Automatic turn-on function for ease of use
• High-level inputs with EPS (Error Protection System)
• Start/Stop compatible for modern vehicles
• RCA inputs via Molex connector
• Stereo RCA output for daisy-chaining to active subwoofers
• 80 Hz HPF/LPF switch for flexible filtering
• QS-TWO-ISO version available with pre-assembled ISO harness

Technical specifications

Why choose it

• Ultra-compact nano format (90 x 35 x 70 mm) for discreet installation
• Impressive 95W RMS per channel despite reduced size
• Exceptional 90% efficiency reducing consumption and heat
• HD audio quality with bandwidth up to 60 kHz
• Ultra-low distortion (< 0.007%) for exceptional sound purity
• Stability on 2, 3 or 4 ohm loads for versatility
• 190W bridged mode to power a subwoofer
• Simplified installation thanks to low current requirements
• High-level inputs with EPS protection for connection to original car radio
• Start/Stop compatible for modern vehicles
• Cast aluminum heatsink for optimal cooling
• RCA output for daisy-chaining to other amplifiers or active subwoofers
• ISO version available for plug-and-play installation

Documentation

Official ESX Audio Website