Nady MPM-4130 4-Channel Powered Mixer with Digital Delay Rugged, portable 4-channel mixer with built-in 150-watt amplifier into 4 ohms 4 mono mic/line inputs with combo XLR and 1/4-inch TRS jacks Built-in digital delay offers choice of 4 sound-enhancing delays 2-band equalizer, level controls, and digital delay controls for each channel Durable housing includes top handle; 17.52 by 5.87 by 8.62 inches (W x H x D)