Polk Audio ES12 Subwoofer

Specifications

• Subwoofer type: Powered front-firing subwoofer.
• Power output: 300 W (DSP-optimized Class-D amplifier).
• Driver: 12″ high-excursion mineral-filled polypropylene woofer.
• Frequency response: 22 Hz – 250 Hz (-3 dB), 18 Hz – 350 Hz (-10 dB).
• Low-pass filter range: 50 – 160 Hz (variable).
• Phase adjustment: -135° to 180° in 45° increments (Time-Smart Phase Control).
• Inputs: LFE (RCA) and stereo line-level (2 × RCA).
• Porting: Dual Power Port® system for reduced turbulence and enhanced output.
• Dimensions (W × H × D): Approximately 363 × 483 × 483 mm.
• Weight: ~21.6 kg (net).
• Additional features: Advanced DSP with 32-bit processing, 4th-order low-pass filter, power-save mode, detachable grille.