Electro Harmonix Q-Tron Plus Envelope Filter with Effects Loop Pedal Synthesis Presonus HP4 4-Channel Headphone Amplifier

Presonus HP4 4-Channel Headphone Amplifier

chosen to catch the fastest peaks

providing levels of sonic clarity and total output that defy all expectations for a product in this category:

The main difference is that the Pro-Neo-D01 is passive

The YSS-475II delivers professional qualities at an intermediate price

Electro Harmonix Q-Tron Plus Envelope Filter with Effects Loop Pedal Synthesis Presonus HP4 4-Channel Headphone AmplifierElectro Harmonix Q Tron Plus Envelope Filter pedal is the classic envelope follower with effects loop. Place your favorite effects between the preamp and filter section without changing the envelope drive. Be creative with the effects you plug into the FX loop and invent totally new sounds. Ratify your Mojo! Same design as the original EHX Q Tron but with extremely useful Effects Loop and an Attack Response Switch. The Effects Loop gives the musician