Denon PMA 50 + Polk TSI10 Hi Fi Set (sale)

Denon PMA‑50 – Stereo Digital Amplifier CSR DDFA (Direct Digital Feedback Amplification) technology: Class D with digital feedback, extremely low distortion (0.004%). Extremely low distortion (0.004%). Very high signal-to-noise ratio (110 dB). Energy efficiency typical of class D, with less heat and compact size. Built-in DAC: 32-bit/192kHz chip, supports PCM and DSD (2.8/5.6MHz). Asynchronous conversion with double master clock to minimize jitter. Advanced AL32 Processing: interpolation and oversampling that expands data from 16 bits to 32 bits. Digital inputs: 2 optical, 1 coaxial, 1 USB‑B. Bluetooth 3.0 with aptX Low Latency, AAC, SBC and NFC pairing. Frequency response: 20 Hz – 20 kHz. Signal to noise ratio: 110 dB. Outputs: speaker terminals (4–16 Ω), RCA Pre‑Out for stage or active subwoofer, 6.3 mm headphones with dedicated amplification. Design: compact chassis, OLED screen with auto-orientation adjustment (vertical/horizontal). Polk TSI100 Speakers Type: bookshelf, 2-way, bass-reflex enclosure. Woofer: 5.25" organic fiber, tweeter: 1" silk dome. Frequency response: 61 Hz – 24 kHz. Sensitivity: 89 dB. Nominal impedance: 8 Ω. Recommended power: 20–100 W. Dimensions: 279 × 178 × 259 mm. Weight: 4.53 kg per speaker.