PSB SubSeries 1 Powered Subwoofer - $70 In good shape and condition. Here are the key specifications and features of the PSB SubSeries 1 Powered Subwoofer: Tech Specs Amplifier: Class A/B (MOSFET) 110 W Continuous, 140 W Dynamic, 280 W Peak Driver: 8″ polypropylene cone with rubber surround; 1″ voice coil; 48 oz magnet + 20 oz shielding Frequency Response: ±3 dB: 36–150 Hz −10 dB: 32 Hz Max SPL: ~106 dB at 100 Hz in a corner (2 m, 4 Ω, <1% THD) Physical & Design Enclosure: Front-ported bass reflex, video-shielded Cabinet Volume: 0.68 cu ft (19.3 L) Crossover: Variable low-pass, 50–150 Hz, 24 dB/octave Linkwitz‑Riley Controls: Front panel volume, crossover; rear-phase 0°/180°, crossover bypass, auto standby Dimensions & Weight Width × Height × Depth: 244 × 337 × 368 mm (9⅝" × 13¼" × 14½") Net Weight: ~23 lb (10.5 kg) Inputs & Versatility Inputs: LFE (RCA), Low/Line Level (RCA L/R), High‑Level Speaker In (binding posts) Outputs: Low/Line Level Thru (to amp), High-Level Thru (to mains) Use modes: Can integrate with small bookshelves or full stereo/HT setups via level, crossover, phase adjustments In Review Loved for delivering tight, musical deep bass (40–80 Hz) without muddying mids. Easy to dial in with most compact speaker systems. Pickup in Bridlewood SW