The QUAD 3 is a new amplifier which blends classic inspired styling along with the latest technology and a huge host of features. It features an onboard DAC with S/PDIF inputs, USB and HDMI, a bluetooth receiver, headphone output and an MM phono stage, so covering almost all bases! As you'd expect of Quad the build and finish quality are superb and there's something just right about the proportions of this product. Lovers of classic Quad will surely appreciate the 'tilt' tone control too. More details will follow shortly... Technical Specifications: Model: QUAD 3General description: 2 x 65W (8 ohm), 2 x 100W (4 ohm), Class AB power amp section & ES9038Q2M 32-bit DACDesign philosophy and core technology: MQA Full Decoder (PC USB, Coax/Optical), Bluetooth 5.1 (aptX/aptX HD) Streaming, Dedicated High Performance Low Noise MM Phono stage, Dedicated Current-Feedback Headphone Amplifier, Built-in Bass and Tilt adjustment, USB Firmware Upgrade & 2 x Analogue (Aux), 1 x Phono (MM) inputsInputs: 1 x SPDIF (Coax), 1 x SPDIF (Optical), 1 x PC USB & 1 x HDMI ARC, 1 x Bluetooth (aptX/aptX HD), 1 x 12V TriggerOutputs: 1 x Pre Amplifier,1 x Stereo Speaker,1 x Headphone, 1 x 12V TriggerSampling Frequency: Optical/Coaxial: 44.1kHz -> 192kHz & PC USB: 44.1kHz -> 768kHz (PCM) / DSD64, DSD128, DSD256, DSD512Gain (max.): +0dB (Line) & +47dB (Phono MM)Input Sensitivity: 800mVrms (Line, Volume = 0dB) & 3.6mV (Phono MM, Volume = 0dB)Input Impedance: 10K (Line) & 47K / 100pF (Phono MM)Total Harmonic Distortion (THD): 110dB ( A-weighted) & > 78dB (Phono MM, A-weighted)D to A Converter: ES9038Q2MTotal Harmonic Distortion (THD): < 0.001% (1kHz @ 0dBFS)Output level (0dBFS, 1kHz): 2.05VrmMax. Sampling Frequency: Optical/Coaxial: 192kHz & PC USB: PCM768kHz, DSD512Signal-to-noise ratio (S/N): > 116dB (A-weighted)Gain: +29dBRated Power Output: 2 x 65W (8 ohm, THD