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LoudspeakersBookshelf SpeakersDiscontinued
Estimated price (community-sourced)
$625
Around — community and catalog average, updates slowly
About the LSiM 703
The LSiM 703 is a three-way bookshelf loudspeaker in Polk Audio’s LSiM series. It uses a 1-inch enhanced ring-radiator tweeter, a 3.25-inch Super Cell Aerated Polypropylene midrange driver, and a 6.5-inch Super Cell Aerated Polypropylene mid-woofer. Polk’s PowerPort bass-venting system is used for the woofer, and the speaker has dual binding posts for bi-wiring or bi-amping. Its overall frequency response is 36 Hz–40 kHz; the stated response limits at -3 dB are 50 Hz–30 kHz.
Specifications
Type: 3-way bookshelf loudspeaker; Drivers: 1 × 1-inch enhanced ring-radiator tweeter, 1 × 3.25-inch Super Cell Aerated Polypropylene midrange, 1 × 6.5-inch Super Cell Aerated Polypropylene mid-woofer; Frequency response: 36 Hz–40 kHz overall, 50 Hz–30 kHz (-3 dB); Sensitivity: 88 dB; Nominal impedance: 8 ohms; Recommended amplifier power: 20–200 W; Crossover frequencies: approximately 280 Hz and 2.8 kHz; PowerPort bass venting; Dual binding posts, bi-wire/bi-amp capable; Dimensions (H × W × D): approximately 16.75 × 8.8 × 14.6 in (42.5 × 22.4 × 37 cm); Weight: approximately 29.6 lb (13.4 kg) each; Finishes included real-wood veneer options.