PX5 Class D Power Amp 2x800W @ 4Ω with On-Board DSP 2UThe 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. Product Features 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 Product