Boss VE-2 Vocal Harmonist roland the PZ-DI lets you properly

the PZ-DI lets you properly match the input impedance to the source to optimize the frequency response

providing simultaneous voltage control over amplitude and frequency content of a signal

in which case the filter will behave like a sine wave oscillator

The proprietary dual phase push-pull driver design of the ATH-E40 professional in-ear monitor headphones provides improved fidelity and efficiency

Mono (ProAV1) and stereo (ProAv2) versions

Boss VE-2 Vocal Harmonist roland the PZ-DI lets you properlyCombining sophisticated sound with simple operation, the VE 2 Vocal Harmonist delivers a complete effects solution for all singers, particularly those that perform with guitar. This portable, battery powered stompbox has everything you need to create polished, studio quality sounds everywhere you sing, from concert stages and street performances to practicing and having fun at home. The VE 2 magically creates beautiful harmonized vocals that follow