Fluance ES Series 7.1 Higher Fidelity Surround Sound Home Theater Speaker System with DB150 Powered Subwoofer Premium components ensure serious performance, natural sound and great reliability at an exceptional value; 7 Speaker Surround Sound main configuration for full range sound in any application; Forged aluminum cabinet construction with audio grade MDF wood front baffle; Ferro-fluid cooled tweeter for longer life; Woven fiberglass composite midrange/woofer cones for broader dynamic range Butyl rubber surrounds for increased durability and performance; Tuned bass port for controlled low frequency response and improved efficiency (Fronts); Bi-amp/bi-wire 5-way gold plated binding post terminals for optimum conductivity; Banana plug and speaker wire compatible connectors on all speakers; Low diffraction flush fit removable front grilles for spacious imaging Magnetically shielded to avoid interference with other video products; Floor spikes to isolate speakers from the floor - for use on hardwood or carpeted areas (Fronts); Premium crossovers feature Butterworth design for audio equalization; 18 gauge internal lead wire to reduce signal degradation Premium high gloss satin black piano finish and silver forged aluminum cabinet; 10" long throw driver for longer excursion and better linearity (subwoofer); Thick hi-roll surrounds that support their longer excursion for tight, precise and accurate bass (subwoofer); Compact ported enclosure is only 18-1/2" x 12-5/16" x 16-1/2" for smaller footprint (subwoofer) Integrated 150 watt continuous power high current amplifier (subwoofer); Line and speaker level inputs allow the DB to be connected to any audio system (subwoofer); Adjustable low-pass filter, volume controls and phase switch allow perfect integration into any system (subwoofer); Premium black ash vinyl veneer woodgrain finish to compliment any home dcor (subwoofer)