Audio Technica ATW-1101/G electro-harmonix The Grand Terminal is a

The Grand Terminal is a digital multipurpose module for ambitious sound designers

This enables the SB-2 to be used with active basses and digital pianos that often tend to overload the input side of the interface

and the option to use the measurement microphone of your choice

Trigger input and push button: reset the slew core and trigger a one-shot attack-decay (AD) envelope through a single trigger signal

You might also want to order a mounting bracket kit if you have an older version 1

Audio Technica ATW-1101/G electro-harmonix The Grand Terminal is aATW R1100 receiver and ATW T1001 body pack transmitter with AT GcW guitar instrument input cable. Overall System Operating Frequencies 2. 4 GHz ISM band (2400 to 2483. 5 MHz) Frequency Response 20 Hz to 20 kHz Depending on microphone type Operating Range 30 m (100') typical Open range environment with no interfering signals Total Harmonic Distortion <0. 05% typical Operating Temperature Range 0 C to +40 C (32 F to 104 F) Battery performance may be