Cheung gull set, 12V / 24V / 220V Active Wall Speaker manufacturer. Model Technical parameters of the device description SX0-214Y peak power: 20w Frequency Response: 80-18000HZ Sensitivity: 91db Input voltage: 220V Dimensions: 280 × 110 × 200mm Speaker unit: 6.5 inch + all the way to the small treble 1: ABS plastic, with a small treble, 2: the side with the volume control knob, 3: built-in amplifier modules plug directly into 220V AC can be used. 4: Connecting DVD / MP3 / U disk audio, or connect the computer and video monitoring machines, televisions and the like; 5, using a wide range: the mall broadcast, broadcast-star hotels, banks talkback radio, broadcast and other classroom session; SXO- 216Y peak power: 20w Frequency Response: 110-18000HZ Sensitivity: 90db Input voltage: 220V Dimensions: 275 × 105 × 200mm 1: ABS plastic; 2: the side with the volume knob, 3: built-in amplifier modules plug directly into 220V voltage use . Cheung gull set, 12V / 24V / 220V Active Wall Speaker manufacturer. 4: Direct connection DVD / MP3 / U disk audio, or connect the computer; use of a wide range: the mall playback, star hotels, banks intercom, schools; SXO-220Y recommended products Black White 2 color choices Rated power: 20w Frequency response: 80-18000HZ Sensitivity: 91db Input voltage: 220V Size: 215X170X150mm with divider, with treble 220V are suitable for outdoor, indoor, Cheung gull set, 12V / 24V / 220V Active wall speaker manufacturers. Xiang Shou electronic audio equipment factory since 2008 inception, adhere to the "customer first, quality-oriented, service first, integrity and dedication, pioneering and innovative" for the purpose of adhering to strict design style and fine craftsmanship, advocating moderate and integrity of business style for your dedication to improve the quality of equipment and services. With high-quality products and super detailed functional system is widely used in schools, hotels, living quarters, shopping malls, supermarkets, parks, factory floor, and other large public places, products throughout the 32 provinces of the country. Shenzhen Xiang Ting Electronic Technology Co., Ltd. is a company specializing in sales of public broadcasting system, the main products sold are "ceiling speakers, wall-mounted stereo, lawn stereo, indoor and outdoor water frets, public broadcasting and broadcasting peripheral equipment, such as power amplifiers." ..