The JHS Summing Amp is a deceptively simple yet powerful utility tool designed to merge two separate signals into one clean mono output. Perfect for parallel routing, blending effects chains, or integrating complex studio setups, this passive mini-mixer opens the door to creative signal design without requiring power.

Built with the legendary reliability of JHS Pedals, it maintains pure, transparent tone while combining signals with zero coloration. Whether on a pedalboard, in a studio, or during live performance, it delivers clean, noise-free summing in the most compact form factor possible.

• Two inputs merged into a single mono output
• Completely passive design — no power required
• Ideal for blending two pedal chains or instruments
• Perfect for parallel processing (clean/dirty blends, dual delays, etc.)
• Enables “The Edge” dual-delay technique (quarter + dotted-eighth)
• Great for studio use: summing stereo or dual-mono signals
• Rugged, compact metal enclosure
• Handmade in Kansas City, USA by JHS Pedals

• Type: Passive Summing / Combining Device
• Inputs: 2 × ¼” TS (Mono)
• Output: 1 × ¼” TS (Mono)
• Power: None Required (Passive Operation)
• Construction: Heavy-duty Metal Enclosure
• Bypass: Fully Passive Signal Path
• Use Case: Pedalboard, Studio, Live, Recording
• Dimensions: Compact Mini Enclosure
• Manufacturer: JHS Pedals, Kansas City, USA

• Parallel Effects Routing: Blend drive + delay, reverb + modulation, or dual chains.
• Clean/Dirty Blending: Mix clean tone with overdrive or fuzz for articulation.
• Studio Summing: Merge stereo or dual-mono tracks without loss of tone.
• Creative Sound Design: Experiment with parallel textures impossible in serial routing.

The JHS Summing Amp is more than a utility tool—it’s a gateway to advanced routing, experimental tones, and studio-grade control. Its transparent passive design ensures your sound remains pure, while its flexibility inspires limitless creativity.