musical fidelity m6x 250 4 2The perfect expansion The new M6x 250. 4 2 is the ideal choice for expanding your home theater system. Power your main L R channels, in its powerful bridge amp mode. Are you upgrading from 5. 1 to 7. 1? The M6x 250. 4 2 offers 2 power amplifier channels with powerful bridge. Or use all 4 channels when upgrading your 7. 1 system to a fully decked out 11. 1 beast. It's also perfect for anyone who wants to turn their 2 channel HiFi stereo setup into a