Spec Detail Model Sony HT‑S400 Channels 2.1 (soundbar wireless subwoofer) Total Power Output 330 W Amplifier Type Digital Amplifier, S‑Master Subwoofer Wireless; 160 mm / ~6.3″ driver Speaker Units Soundbar uses X‑Balanced Speaker Units; vocal clarity enhanced using Separated Notch Edge design Connectivity / Inputs HDMI ARC; Optical input; USB Type A (for updates) Bluetooth Version 5.0 Supported Audio Formats Through HDMI/optical: Dolby Digital, Dolby Dual Mono, LPCM 2‑ch; Bluetooth: SBC Sound / Modes Virtual surround via S‑Force PRO Front Surround; modes include Sound Field, Voice Mode, Night Model Power Consumption Bar: ~35 W; Subwoofer: ~20 W; standby very low (≈0.5 W) Dimensions Main unit: 900 × 64 × 88 mm; Subwoofer: 192 × 387 × 400 mm Weight Main unit ≈ 2.4 kg; Subwoofer ≈ 7.3 kg Other Features • OLED display on bar for status (volume, input, etc.) • Wall‑mountable design; flat back for flush fit • Wireless pairing to compatible TVs (Sony BRAVIA)
