GOKKO GSP-10 SPARK PLUG

Headphone Amplifier Quick Guide

Product Overview

The GSP-10 is a compact plug-in headphone amplifier designed for electric guitar and bass. It includes amp simulation tones, modulation effects, ambient effects, Bluetooth audio playback, headphone monitoring, and OTG recording support for quiet practice anytime, anywhere.

Key Features

• 9 amp simulation tones
• Clean, overdrive, distortion and high-gain sound styles
• Built-in Noise Gate function
• 3 modulation effects: Chorus, Phaser, Tremolo
• 3 ambient effects: Reverb, Delay, Reverb + Delay
• Bluetooth audio playback for backing track practice
• 3.5mm headphone output
• USB-C charging and OTG recording support
• Built-in rechargeable battery
• Up to 5 hours of use after full charge

Quick Start

1. Plug the GSP-10 into your electric guitar or bass.
2. Connect headphones to the 3.5mm headphone output.
3. Turn on the power switch.
4. Select an amp tone with the AMP knob.
5. Adjust GAIN, TONE, MOD, SPACE and MASTER.
6. Connect Bluetooth audio if you want to practice with backing tracks.
7. Use USB-C with a compatible OTG adapter and recording app for mobile recording.

Controls

AMP: Selects 9 amp simulation tones.
GAIN: Adjusts the amp gain level.
TONE: Adjusts tone brightness.
MOD: Selects and adjusts Chorus, Phaser or Tremolo.
SPACE: Selects and adjusts Reverb, Delay or Reverb + Delay.
MASTER: Adjusts overall output volume.
USB-C: Used for charging or OTG recording.
3.5mm Output: Connect headphones for monitoring.

Charging

Use a 5V power adapter only.
With a 5V / 2A charger, full charging takes about 4 hours when the battery is depleted.
A full charge supports up to 5 hours of use.

Important Notes

• Turn off related devices before connecting or disconnecting.
• Keep away from heat, direct sunlight, humidity, dust, magnetic fields and strong vibration.
• Avoid strong radio or TV interference sources.
• OTG adapter, headphones, phone and 5V wall charger are not included unless specified by the final package configuration.