Power Amplifier Yamaha PX 5 ORIGINAL power yamaha PX5 PX5 The versatile PX series power amplifiers lineup combines intelligent processing with high output power to meet the requirements of a vast range of sound reinforcement environments. 500W x 2 at 8 / 800W x 2 at 4. 2x 500W at 8 2x 800W at 4 Newly developed Class-D amplifier engine with a custom LSI Flexible onboard PEQ, crossover, filters, delay, and limiter functions Yamaha Speaker presets Utlities for safe and secure operation GARANSI RESMI YAMAHA