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ESX QS-TWO-BT-ISO

SMALL SIZE QS-TWO: NOW ALSO WITH BLUETOOTH ® + 60 cm ISO cable harness

The palm-sized QS-TWO caused a sensation as soon as it was launched - and no wonder: never before has such a compact amplifier combined impressive performance and sound quality at this top level. The QS-TWO quickly gained a loyal fan base, especially among enthusiasts of classic and vintage cars who attach particular importance to concealed installation. This community also asked for even more convenience: "Please integrate Bluetooth® into this little powerhouse," was the unanimous request. What initially seemed impossible is now a reality. The new QS-TWO-BT is equipped with the latest Bluetooth® technology - without compromising on size or performance, of course. And best of all: thanks to Bluetooth 5.0 ®, you can enjoy wireless music of the highest quality. So small and yet so great: with its ultra-compact dimensions of just 90 x 70 x 35 mm
the QS-TWO fits almost anywhere - even behind the car radio in the tightest of dashboards. Once you've experienced how much sound power this tiny speaker packs, you'll never want to be without it again. A real prize-winner - EISA AWARD for QS-TWO-BT: The fact that this amplifier is an absolute innovation is also recognised by international experts with the exclusive EISA trophy: In the In-Car Streaming Amplifier 2025-2026 category, the Bluetooth version was honoured with the coveted EISA AWARD as the best product. A clear signal: this is where innovation meets
unrivalled performance

SOUNDS BIG - TOP FEATURES

With 2 × 95 watts RMS at 2 ohms, the Bluetooth version also offers more than enough reserves and drives speaker systems with 4, 3 or 2 ohms with ease. It remains stable and controlled even with demanding loads. Adjustable Bluetooth® volume: The adjustable Bluetooth® volume control ensures a clean tuning and adjustment of the Bluetooth® function.
Function is ensured by the adjustable Bluetooth® gain via jumper (-3 / 0 / +3 dB), which allows the volume to be optimally adjusted to the respective source. The QS-TWO-BT also sets standards in terms of sound: with a bandwidth of up to 60,000 Hz and a sensationally low distortion factor of <0.005 % (THD+N @ 5W), it delivers a detailed and precise reproduction. This makes it ideal for HD audio without compromising on sound quality

Features

  • Efficient Class D amplifier with ultra-compact dimensions
  • Heavy cast iron heat sink with optimum cooling properties
  • Automatic switch-on function
  • High-level inputs with Error Protection System (EPS)
  • Start/stop ready
  • RCA inputs and outputs (via cable plug)
  • Stereo RCA output for e.g. active subwoofers
  • HPF/LPF switchable
  • Perfect for HD audio
  • Integrated Bluetooth receiver
  • incl. 60 cm ISO cable harness

Technical data

  • 2-channel Class D Nano digital amplifier
  • 2 x 52/95 watts RMS @ 4/2 Ω
  • 1 x 190 Watt RMS @ 4 Ω bridged
  • HPF/LPF @ 80 Hz
  • Distortion factor THD+N @ 5W/RMS < 0.007%
  • Frequency range 10 Hz to 60 kHz
  • Dimensions 70 x 35 x 90 mm
  • Efficiency up to 90%

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