Description
Features
- Efficient Class D Amplifier with ultra-compact dimensions
- Heavy die-cast Heatsink with perfect cooling characteristics
- Auto Turn-On Function
- High Level Inputs with Error Protection System (EPS®)
- Start/Stop Ready
- RCA In- and Outputs (via Cable Connector)
- Stereo RCA Output for e.g. active Subwoofers
- HPF/LPF switchable
- Perfect for HD-Audio
- With integrated Bluetooth Receiver
Specifications
- 2-Channel Class D Nano Digital Amplifier
- with integrated Bluetooth Receiver
- 2 x 52/95 Watts RMS @ 4/2 Ω
- 1 x 190 Watts RMS @ 4 Ω bridged
- HPF/LPF @ 80 Hz
- Frequency Range 10 Hz to 60 kHz
- Dimensions 90 x 35 x 70 mm
- Efficiency up to 90%
Even at its launch, the palm-sized QS-TWO caused a sensation – and no wonder: Never before had such a compact amplifier combined impressive power and sound quality at this top level. The QS-TWO quickly gained a loyal following, especially among classic and vintage car enthusiasts who place particular value on discreet installation. From this community came the desire 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 state-of-the-art Bluetooth® technology – naturally without compromising on size or performance. And best of all: Thanks to Bluetooth 5.0, you can enjoy wireless music in the highest quality. So small, yet so powerful: 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 dashboards. Anyone who has experienced the sonic power packed into this tiny device will never want to be without it again.
A true price-winner – EISA AWARD for the QS-TWO-BT:
The international audio community has recognized this amplifier as a true innovation with the exclusive EISA trophy: In the In-Car Streaming Amplifier category for 2025–2026, the Bluetooth version was awarded the coveted EISA AWARD as the best product. A clear signal: Here, innovation meets unparalleled performance.
With 2 × 95 watts RMS at 2 ohms, the Bluetooth version also offers more than enough power reserves and effortlessly drives speaker systems with 4, 3, or 2 ohms. It remains stable and controlled even under demanding loads. The adjustable Bluetooth gain via jumper (-3 / 0 / +3 dB) ensures precise tuning and adjustment of the Bluetooth® function, allowing you to optimally adapt the volume to the respective source. The QS-TWO-BT also sets new standards in sound quality: With a bandwidth of up to 60,000 Hz and a sensationally low total harmonic distortion of <0.005% (THD+N @ 5W), it delivers detailed and precise reproduction. This makes it ideally suited for HD audio without compromising sound quality.
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