Manufacturer Part Number: IO655BT Dayton Audio s IO655 premium indoor/outdoor speakers were designed and tuned to offer weatherproof construction excellent sound quality and outstanding value. Works in 70V systems or as an 8 ohm speaker. Key Features: Includes built-in bypassable multi-tap 70V transformer for commercial distributed speaker applications Stylish contemporary appearance suits indoor environments as well as outdoors Weather resistant ABS plastic enclosure and aluminum grills provide years of service Polypropylene 6-1/2 woofer with rubber surround produces balanced accurate bass/mid response Metalized Mylar 1 dome tweeter for clean non-fatiguing HF output Installs easily on walls and ceiling; hardware included Dayton Audio IO655BT 6-1/2 2-Way Indoor/Outdoor Speaker Pair Black Outdoor sound this good has never been so affordable! The IO655 speakers from Dayton Audio provide excellent sonic performance and famous Dayton Audio value in a compact elegant package that s easy to mount anywhere -- indoors or outdoors. Each IO655 speaker features a mineral-filled poly cone 6-1/2 woofer and metalized Mylar 1 dome tweeter for full-range high fidelity performance. The crossover network was computer optimized by Dayton Audio and then fine-tuned via extensive listening tests. The result of this effort is a detail-rich natural sounding speaker system that is at home in dens bedrooms and offices as much as it is suitable for patios or beneath soffits. Thanks to rugged ABS construction and aluminum grills these loudspeakers will keep their great looks for years. Includes yoke-style mounting brackets stainless steel hardware and corrosion-resistant nickel plated push terminals for fast installation and wiring. Specifications: 6-1/2 mineral-filled polypropylene woofer with rubber surround 1 metalized Mylar dome tweeter Power handling: 50 watts RMS/85 watts max Frequency response: 45-20 000 Hz Sensitivity: 87 dB 1W/1m Tap settings: 4W 8W 16W 30W 8 ohm Dimensions: 11 H x 8.25 W x 8.75 . Product Details BrandDayton AudioModelIO655BTPart Number310-016UPC848791000263Unit of MeasurePairsWeight17.5 Product Specifications ColorBlackConfiguration2-wayInput Rating8 ohm|70VWoofer Diameter6.5 Special FeaturesIndoor / Outdoor-Water Resistant