Ampero Press 25kΩ Edition is a compact, passive volume/expression 2-in-1 pedal designed not only for controlling Ampero II Stomp, but also other musical devices (with external EXP pedal jacks that require 25kΩ EXP resistance) or being used as a passive volume pedal. It has a solid aluminium alloy casing and a smooth and comfortable user experience. 

Features:
• Volume/Expression 2 in 1 Pedal
• Independent volume and expression output jacks
• Solid aluminium alloy casing
• Passive design - no power supply needed
• High-quality potentiometer ensures precise response and long life
• Works with a variety of instruments and devices

Specifications:
• Volume Pot Resistance: 100kΩ
• Expression Pot Resistance: 25kΩ
• Input: 6.35mm (1/4" ) Mono audio jack
• Output: 6.35mm (1/4" ) Mono audio jack
• EXP Out: 6.35mm (1/4" ) TRS
• Power Requirement: Passive design - no power needed
• Dimensions: 81mm (W) × 162mm (D) × 51mm (H)
• Weight: 430g