Electro‑Harmonix Nano Q‑Tron Envelope Controlled Filter

The Electro‑Harmonix Nano Q‑Tron is a compact, analog envelope-controlled filter pedal that reacts dynamically to your playing—emulating the famous “auto-wah” effect in an ultra-small format.

Ideal for guitar, bass, keys, horns, or any instrument with strong dynamic range, it features true-bypass switching, a rugged Nano enclosure, and multiple filter modes to sculpt your tone with precision.

Key Features

• Filter Type: Envelope-controlled analog filter (auto-wah)
• Modes (Filter Types): Low-pass (LP), Band-pass (BP), High-pass (HP)
• Controls: Drive (envelope sensitivity), Q (filter bandwidth/resonance), Volume (output level)
• Bypass: True bypass with LED status indicator
• Power: Includes 9 V battery; optional 9 V DC power supply (center-negative, ≤12 V DC)
• Inputs/Outputs: 1/4″ instrument input and output jacks
• Compact & Rugged: Nano pedalboard-friendly enclosure

Technical Specifications

• Dimensions: 4.5″ × 2.75″ × 2.1″ (11.4 × 7 × 5.3 cm)
• Weight: 0.64 lb (0.29 kg)
• Circuit Type: Analog
• Current Draw: 10 mA
• Power Supply: 9 V battery (included) or external 9 V DC adapter (≤200 mA, center-negative, do not exceed 12 V DC)
• Input Impedance: 330 kΩ
• Output Impedance: 300 Ω
• Maximum Input Signal Level: +5.2 dBu
• Year Released: 2021
• UPC: 683274012384

What's Included

• 1x Nano Q‑Tron pedal with 9 V battery installed