Features: Brand new and high quality GREAT HEAT DISSIPATION: Our 200W +200W digital audio power amplifier board adopts temperature-controlled, air-cooled, intelligent heat dissipation, and the large area heat dissipation can run for a longer time. PURE SOUND QUALITY: This two-channel stereo power amplifier board has lossless high definition sound quality, and the stereo interface will bring the perfect sound quality, so you can trust and use it with confidence. SUPPORTING BTL MODE: Our intelligent adjustable gain power amplifier board supports for BTL mode adjustable gain to avoid the corrosion of high quality material, so this audio power amplifier board will be your ideal choice. COMPREHENSIVE PROTECTIONS: This DC 12V-32V digital high power amplifier board possesses short circuit protection and over-heating protection, and the power supply reverses connection prevention. SUITABLE APPLICATIONS: Our 200W +200W high power amplifier board has good sound quality, which is suitable for upgrading and modifying production, so this audio amplifier board will satisfy the basic needs of you. Specifications: Model: Dual AC22-32V Output power: 200W+ 200W Push speaker: 8-15 inches Op Amp Chip: 5532 Recommended speakers: 6-10 inches Channel type: 2.0 channel DC output: l2V Product size: 18.5x13x17.5cm Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x TDA7294 PRO 2.0 Channel 200W HiFi High-power Finished Power Amplifier Board