← Back to REACTOR Amp User Guide
Complete guide to all controls and connections on your REACTOR 50/100.
Top Panel
A - Power Switch
Flip the switch up to power on, down to power off.
B - Input (1/4")
Plug in your guitar here.
C - Amp Selector
Turn the knob to choose from six different amp styles:
- Clean
- Warm
- Grit
- Crunch
- Hi-Gain
- Extreme
Each amp includes a default mode and an AI-optimized variation for that tone style.
D - Amp Intelligence Switches
Push / Smooth (3-way toggle):
- Push (up) — More bite and presence, perfect for cutting through a mix
- Center — Default mode
- Smooth (down) — Softer attack for a more laid-back tone
Heat (5-stage toggle):
Adjusts feel, harmonics and gain without significantly affecting volume.
- Crank up — Faster, tighter attack with richer harmonics
- Dial down — Smoother, more elastic feel
E - Amp Control
Adjust your current amp settings with these knobs:
- Gain
- Bass
- Middle
- Treble
- Master
F - FX Control
- Tap an FX button to select the effect
- Hold the button to turn it on or off
- LEVEL knob — Adjust the effect level or mix
- TAP button — Sync delay or mod timing
G - Speaker Volume Control
Sets the overall output volume for both the speaker and headphones.
Plug in headphones, and the amp switches automatically.
H - Wireless Indicators
Shows your Bluetooth and Wi-Fi status:
- Solid Blue/Green — Connected
- Flashing Blue/Green — Pairing
- Off — Not connected
I - Preset Selector
- Select/Save — Tap to cycle through the four presets in the current bank. Hold to save changes.
- Bank Switch — Tap to switch between the banks. Hold to activate the Tuner.
Rear Panel
Tutorial Video
J - AC In
Plug in the included power cable.
Supports 100–240V AC input.
K - Power Control
Choose your output power:
- 100W / 50W (depending on model) — Full power for live performance
- 25W — Balanced for jam sessions or small venues
- 1W — Perfect for personal practice
L - Bluetooth Pair Button
- Tap — Pair to a mobile device via Bluetooth
- Hold — Pair with the REACTOR Control footswitch
M - Foot Control
- MIDI In — Connect a standard MIDI controller for preset or FX switching
- REACTOR Control — Connect the REACTOR Control footswitch (sold separately) for low-latency control
N - Power Amp In
Plug in an external modeler or preamp to use Reactor as a clean power amp, bypassing all internal effects.
O - Output
- Line Out — Send your signal directly to a mixer, interface, or monitor at fixed line level
- Headphones — 3.5mm stereo out, automatically mutes the main speaker when plugged in
P - FX Loop
Plug in your own pedals or effects to the Send/Return jacks.
You can adjust its position and levels in the signal chain using the Reactor App.
Q - USB-C Port
Connect to a PC or Mac using a USB-C cable to:
- Use Reactor as a USB audio interface