1.S series in terms of sound quality: full use of copper pin resistor to optimize power and heating equipment, we can improve the thermoelectric tolerance and durability of the product. 2.S series at the same time, it has changed the traditional H-level switch distortion, making the sound more powerful and accurate. * 3.S series for high-end sound system, which is already well known in this field. 4.S series of its high performance is the base S series has a lot of fans in China, and will continue to maintain its glory. Model S-2 S-4 S-6 S-8 S-11 S-13 S-15 stereo output power 8Ω 250W × 2 400W × 2 600W × 2 800W × 2 1100W × 2 1300W × 2 1500 × 2 stereo output power 4Ω 375 × 2 600 × 2 900W × 2 1200W × 2 1800W × 2 1950W × 2 2150W × 2 stereo output power 2Ω 500W × 2 800W × 2 1200W × 2 1600W × 2 2200W × 2 2600W × 2 3900W × 2 bridging single channel output 8Ω 750W 1200W 1800W 2400W 3600W 3900W 4500W bridged mono output 4Ω 1000W 1600W 2400W 3200W 4400W 5200W 6000W Frequency Response 20Hz-20KHz ± 0.3dB total harmonic distortion <0.03%@8Ω 1KHz SNR> 90dB> 95dB > 95dB> 93dB> 93dB> 93dB> 93dB transient response 20V / μS 30V / μS 30V / μS 40V / μS 44V / μS 44V / μS 44V / μS damping factor> 400> 400> 400> 300> 300> 300> 300 Crosstalk> 70dB @ 8Ω1KHz input impedance 20KΩ (Balance) / 10KΩ (Unbalance) Input sensitivity 0.775V / 1.0V / 1.4V protection Overheat short circuits, DC, limit, and-softstart, Output relay-Zero Current Switch, Intellctual Clip limiter GW 22KG 24KG 26KG 36KG 40KG 42KG 44KG size 575 × 575 × 88 (2U) 662 × 592 × 133 (3U) WYW convinced that "all who believe not stand," we take concrete actions to win the trust and support of our customers. Thanks for your continued support and trust of new and old customers. Be tolerant to diversity, tolerance is a large, elite gathered, brilliance, warmly welcome all people of insight, became business partners, create brilliant! Advantages: Our factory is different from ordinary monotony of style and craftsmanship, we pay more attention to the revolutionary product quality, style and process innovation, and make the most recognized by the public, professional engineers assured products! Our factory has integrated amplifier, pure power amp, mixer, pre-effects, peripheral equipment and other ancillary equipment, perfect sound sometimes puts you paradise, it may instantly take you to the rock world. The factory will provide personalized custom service, welcome to inquire, contact telephone 18022947013, Mr. Yang. Scope: multi-purpose hall, shaking it slowly, conference rooms, lecture halls, dance halls, stadiums, theaters, auditoriums, bars, clubs, KTV, home theaters, shopping malls PA system, VOD system, conferencing system , monitoring systems, hotels, nightclubs, public broadcasting system works. Package Description: High standards thick cardboard, foam inner layer entrainment popular brands, came with the package: Manual * 1, warranty card * 1, * 2 handles, power cord * 1. Service: Our service repair department with advanced testing equipment maintenance, professional maintenance technicians have received professional training, sales of all products promise: one year warranty and lifetime maintenance, we will concentrate on, professional to provide you with high quality service. Finally, I wish our customers a smooth, grand plans!