Unlimited Remote Capability... The Meris MIDI I/O allows MIDI control of four Meris pedals. You can link it to your DAW using Bluetooth wireless MIDI, or you can use conventional MIDI control. *Product Features* Compact MIDI I/O for sending and receiving, connects up to four Meris pedals. All parameters can be controlled via MIDI. Multiple presets can be saved and loaded offline via MIDI. Compatible with Bluetooth MIDI adapter (sold separately: Yamaha MD-BT01).・MIDI In/Out status LED Can also be used to control Empress Effects and Chase Bliss pedals via MIDI. (Chase Bliss requires the creation of a special cable.) Maximum input level: +9dBu (instrument input mode), +12.5dBu (synth line input mode) Power supply: 9V DC, center negative, 2.1mm Current consumption: 150mA Size (W x D x H): Approx. 94 x 66 x 38 mm Weight: Approx. 181g Note: 9V power adapter sold separately. *Pre-order item