TOA has created the MX-6224d, an affordable digital mixing amplifier, especially for medium and small mixes. The MX-6224d is a simple and reliable system, requiring very little technical knowledge to operate, but still maintaining exceptional sound quality. 2 x 240W Digital Mixer Amplifier. Incorporation of DSP function. Class D amplifier. Reliable sound quality. Optimal digital signal processing. Easy-to-use advanced functions.