1. KA series products are 2U height class AB line structure 2. KA Series 200W - 400W (8 Euro 4-channel) power range 3. KA series pursuit of faster response, higher damping 4. KA series richer kinetic energy, more advanced protection system, sophisticated originals 5. KA series can withstand 2 ohms stereo, bridged 4 ohm load 6. KA series flexible for 2-channel, 3-channel, 4-channel. Model KA4002 KA4003 KA4004 stereo output power 8Ω 200W × 4 300W × 4 400W × 4 stereo output power 4Ω 300W × 4 480W × 4 640 × 4 stereo output power 2Ω 1000W × 4 600W × 4 820W × 4 bridged mono output 8Ω 500W 800W 1100W bridged mono output 4Ω 800W 1300W 1600W Frequency Response 20Hz-20KHz + 0 / -0.3dB total harmonic distortion <0.03%@8Ω 1KHz SNR> 95dB> 90dB> 90dB transient response 35V / μS 35V / μS 35V / μS damping factor> 400> 400> 400 GW 23KG 25KG 28KG size of 575 × 570 × 88 (2U) 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