Sennheiser XSW1-825B Dual Handheld Wireless System Pianos - Boxing Day The MTP 440 DM features

The MTP 440 DM features a slight bass roll off to ensure the signal won't get muddy

It's about tradition

This incredible reference system is ideal for all critical listening environments thanks to the custom-engineered bi-amplification system that features separate amplifiers for the 8" glass-fiber woofer and 1" silk-dome tweeter

2 TSA locking latches with impact diversion dishes

which was strictly a MIDI controller

Sennheiser XSW1-825B Dual Handheld Wireless System Pianos - Boxing Day The MTP 440 DM featuresComplete 2 channel XSW1 system: with 2 handheld transmitters with 825 dynamic cardioid capsules and a EM XSW1 DUAL receiver plug pack power supply 614 638 MHz. Raise your voice. Go for XS WIRLESS 1 and rely on a solid wireless transmission with up to 10 compatible channels in a stable UHF band. The XS WIRELESS 1 system is an easy to use all in one wireless system for singers and presenters, excellent for live sound featuring Sennheisers renowned