Positive Grid Spark Go - Portable Smart Guitar Amp Manual

Product Specification

AUDIO SPECIFICATIONS

FREQUENCY RANGE
110-20000 Hz

STEREO/MONO
MONO

MAXIMUM SOUND PRESSURE LEVEL
82 dB SPL @1m

CABINET PRINCIPLE
Passive Radiator

POWER AMPLIFIERS
5 Watt Class D Amplifier

SPEAKERS
One - 2" Custom Designed Speakers

TOTAL IMPEDANCE
8 ohms

BATTERY

CHARGING TIME
2 hours @ 2A/5V USB-C Charger

PLAY TIME
Up To 8 Hours (on mid volume or lower)

INCLUDED IN THE BOX

BOX CONTENTS
Spark GO Amplifier
Removable Protective Sleeve
Reversible Duo-Tone Strap
USB-C Cable
Woven Grille
Hardshell Grille
Quick Start Guide

SOFTWARE

MOBILE APPS
Spark App for iOS and Android

CONTROLS AND CONNECTIVITY

TOP PANEL CONTROLS
Preset Selector
Music Volume
Guitar Volume

ONBOARD EFFECTS
33 Amp Models
43 Effects
(Noise Gate, Compressor, Distortion, Modulation/EQ, Delay, Reverb)

WIRED CONNECTIVITY
1/4" Guitar Input
1/8" Headphone Out/Line Out

WIRELESS CONNECTIVITY
Bluetooth Audio

USB AUDIO
USB Interface for Recording
1 In x 2 Out
16 Bit, 44.1 kHz Sample Rate

PHYSICAL UNIT

DIMENSIONS
125 x 85 x 45 mm
(4.92 x 3.34 x 1.77 in)

WEIGHT
346 g
0.76 lb

COVERING
Silicone

GRILLE CLOTH
Woven/Custom Black Hardshell

HANDLE
Reversible Duo-Tone Strap

Top Control Panel

1. Preset Selector
   Press the preset button to select one of four presets on Spark GO. These presets can also be customized in the Spark app. The red LED indicates the preset currently in use. Hold the Preset button to enter Tuner Mode.
2. Music Volume
   Adjusts the sound volume of Bluetooth® devices and USB audio playback.
3. Headphone/Line Out (3.5mm)
   Plug in a pair of headphones (8 ohm - 64 ohm) with a 3.5mm jack. Note that sound will not come out of Spark GO's main speaker when headphones are plugged in.
4. Guitar Input
   Plug in your guitar with a standard 1/4" (6.3mm) guitar cable.
5. Guitar Volume
   Adjusts the overall volume of your guitar.

Side Panel

6. Bluetooth® Indicator
   Indicates the status of your Bluetooth audio connection:

• Solid Blue: Connected
• Flashing Blue: Pairing

7. Power Indicator
   Indicates power and battery status.

• Solid Green: Powered on or fully charged
• Solid Red: Low battery
• Flashing Red/Green: Charging

8. Power/Pair Button

• Hold to turn Spark GO on or off.
• Press to enter Bluetooth® pairing mode when connecting to a new device.

9. USB Port
   Connect the included USB-C® to USB-A cable to charge Spark GO, or to connect it to a PC/Mac for use as an audio interface.

Using Spark GO as a Guitar Amp

• Plug your guitar into the Guitar Input jack on the top control panel.

• Select one of the four presets available and adjust the volume by using the Guitar Volume knob on the top control panel.

• To access more tones and create your own, download the Spark app using the QR code or search for "Spark amp" in the App Store or Google Play.
  
  

Using Spark GO as a Wireless Bluetooth® Speaker

USB Audio

• With Spark GO turned off, connect to a computer via USB with the included USB cable. Turn on Spark GO and select "Spark GO USB Audio" as the recording/ playback device.
  

• Adjust USB playback volume in the media player settings on your computer.
  

• Adjust direct guitar monitoring with the Guitar Volume knob.
  

Headphone/Line Out Port

• The 3.5mm headphone/line out port on the top control panel can be assigned as a stereo output for connecting headphones or speakers with a stereo input. It can also be used as a mono output for connecting guitar amps, powered guitar cabinets, mixers, or audio interfaces.
• Output mode options can be found in the Spark app settings
• Note that a 3.5mm to 1/4" or RCA adapter (not included) may be required to connect certain devices.

Tuner Mode

• Hold the Preset button to enter tuner mode.
• While in tuner mode, the 4 Preset LED's will display if the string being played is in tune.
• Note that your guitar signal will be muted while tuner mode is on.
• To exit tuner mode, press the Preset button again.

Music Input Priority (Bluetooth Audio / USB Audio)

• Spark GO accepts 2 different input ways (Bluetooth Audio / USB Audio) to stream the music, but please note that you can only use 1 input at a time. If the 2 of them are connected to Spark GO at the same time, only one of the input will work properly.
• Bluetooth Audio In will be prior to all the inputs. The 2nd priority is USB Audio. If your music input is not working properly, please make sure there is no higher priority input occupying.

LED Indicator Status

Factory Reset

Follow the steps below to perform a factory reset. This process will reset all the four presets stored on the Spark GO as well as its Bluetooth pairing information, Headphone/Line Out Mode, EQ Scenario, Power Saving Setting.

1. Turn off your Spark GO.
2. Hold the Power/Pair and Preset buttons, then release the buttons when the Power Indicator turns into white color.
3. Hold the Power/Pair or Preset button, until all four preset LEDs buttons blink once, then release the button.
4. Spark GO will be turned off automatically when the factory reset is completed, turn it back on to start playing.

*After the step 2, if you're not ready to perform factory reset, or tends to do it later, you can cancel the process by tapping the Power/Pair or Preset button.

Force Shutdown & Restart

If Spark GO runs into an issue where the knobs/buttons doesn't respond anymore or freezes, or emits a high pitched or unusual noise, follow the steps below to force shutdown and restart Spark GO.