1. Introduction
Thank you for choosing the JOYO JAM Buddy II, a versatile and portable 10W electric guitar combo amplifier. This all-in-one unit combines 14 amp models, 9 effects, a drum machine, looper, OTG recording, and Bluetooth connectivity into a compact design. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
2. Product Overview
The JOYO JAM Buddy II is designed for guitarists seeking a powerful yet portable practice and performance tool. Weighing only 940g, its palm-sized form factor delivers rich, balanced sound through dual 2-inch full-range speakers and a bass radiator. An intuitive LED display and multi-function knob provide easy control over all parameters.
Figure 2.1: Front view of the JOYO JAM Buddy II.
3. Setup
Before using your JAM Buddy II, ensure it is adequately charged. Connect your electric guitar and power on the device.
3.1 Powering On/Off
Locate the power switch on the control panel. Toggle it to the 'ON' position to power on the device. The power indicator LED will illuminate. To power off, toggle the switch to 'OFF'.
3.2 Connecting Your Guitar
Insert your guitar's 6.35mm instrument cable into the 'INPUT' jack on the side of the JAM Buddy II.
Figure 3.1: Side view of the JAM Buddy II with input/output ports.
3.3 Bluetooth Pairing
To connect a Bluetooth audio source (e.g., smartphone, tablet) for backing tracks:
- Ensure the Bluetooth switch on the JAM Buddy II is in the 'ON' position.
- On your audio device, enable Bluetooth and search for 'JAM BUDDY II'.
- Select 'JAM BUDDY II' to pair. The Bluetooth indicator LED on the unit will confirm connection.
Figure 3.2: JAM Buddy II with a smartphone mounted for practice.
3.4 OTG Connection for Recording
For direct recording to a phone or computer:
- Connect the supplied USB Type-C cable to the 'OTG' port on the JAM Buddy II.
- Connect the other end of the USB Type-C cable to your smartphone or computer.
- The device will be recognized as an audio interface, allowing for direct recording, live streaming, or content creation.
4. Controls and Interface
The JAM Buddy II features a user-friendly control panel with knobs, switches, and an LED display for intuitive operation.
Figure 4.1: Detailed view of the control panel.
4.1 Knobs and Switches
- GUITAR.VOL: Adjusts the volume of your guitar.
- MUSIC.VOL: Adjusts the volume of the Bluetooth audio input.
- BASS/SAVE: Controls bass frequency. Press to save current settings.
- MID/TUNE: Controls mid-range frequency. Press to activate the tuner.
- TRE/D.CTRL: Controls treble frequency. Press to activate drum machine controls.
- GAIN/QUIT: Adjusts the gain level. Press to exit certain menus.
- RVB/D.VOL: Selects Reverb type and adjusts its parameters.
- DLY/D.TYPE: Selects Delay type and adjusts its parameters.
- MOD/D.SPEED: Selects Modulation effect type and adjusts its parameters.
- AMP/CH.VOL: Selects Amp Model and adjusts channel volume.
- Power Switch: Toggles the unit on/off.
- Bluetooth Switch: Toggles Bluetooth connectivity on/off.
4.2 Footswitches
- Right Footswitch (Channel): Switches between CLEAN and OVERDRIVE channels.
- Left Footswitch (Drive Mode): When in OVERDRIVE channel, switches between RHYTHM and LEAD sub-channels.
- Looper Control: Press both footswitches simultaneously to activate looper functions (record, stop, overdub, clear).
4.3 LED Display
The central LED display provides visual feedback on selected amp models, effects, drum patterns, tuner status, and parameter adjustments. The multi-function knobs (press & rotate) allow for intuitive navigation and fine-tuning of settings.
Video 4.1: A detailed guide on the complete controls and setup of the JOYO JAM Buddy II.
5. Operating Instructions
5.1 Amp Models & Effects
The JAM Buddy II offers 14 amp models and 9 built-in effects (Mod, Delay, Reverb) to shape your tone.
- Selecting Amp Models: Rotate the AMP/CH.VOL knob to browse through the 14 amp models displayed on the LED screen.
- Adjusting Tone: Use the BASS, MID, and TREBLE knobs for precise 3-band EQ control. The GAIN knob adjusts the input gain.
- Selecting Effects: Rotate the RVB/D.VOL, DLY/D.TYPE, or MOD/D.SPEED knobs to select and adjust parameters for Reverb, Delay, and Modulation effects respectively. Pressing these knobs allows for deeper parameter editing.
- Channels: The unit features 3 independent channels: Clean, Rhythm, and Lead. You can save custom tone and drum settings for each channel using the one-tap memory function (press BASS/SAVE knob).
Video 5.1: Demonstration of various amp models and effects on the JOYO JAM Buddy II.
5.2 Drum Machine & Looper
Enhance your practice with the built-in drum machine and looper.
- Drum Machine: The JAM Buddy II includes 36 drum patterns. Press the TRE/D.CTRL knob to access drum machine controls. Rotate the knob to select patterns, adjust volume, and tempo (BPM).
- Looper: The 30-second looper allows for improvisation and layering. Activate the looper by pressing both footswitches simultaneously.
5.3 Tuner
The built-in tuner assists with accurate guitar tuning. Press the MID/TUNE knob to activate the tuner function. The LED display will show tuning information.
6. Connectivity
The JAM Buddy II offers versatile connectivity options for various scenarios.
- Headphone Output: For silent practice, connect headphones to the 3.5mm headphone jack.
- Balanced Output & Line Out: Connect to a mixer, audio interface, or PA system via the balanced Output and Line Out ports for amplified sound.
- Line In: Use the Line In jack to connect external audio sources.
7. Power and Battery
The JAM Buddy II is powered by a rechargeable internal lithium-ion battery.
- Battery Life: Offers up to 5 hours of playtime on a full 3-hour charge.
- Charging: Charge the device using the supplied USB Type-C cable connected to the 'CHARGE' port.
- Auto Power-Off: The unit automatically powers off after 20 minutes of inactivity to conserve battery life.
8. Maintenance
To ensure the longevity and optimal performance of your JAM Buddy II, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid using abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the unit with care to prevent physical damage. Avoid dropping or subjecting it to strong impacts.
9. Troubleshooting
If you encounter any issues with your JAM Buddy II, refer to the following common troubleshooting steps:
- No Sound: Check all cable connections (guitar, output, headphones). Ensure the volume knobs (GUITAR.VOL, AMP/CH.VOL) are turned up. Verify the unit is powered on and charged.
- Bluetooth Connectivity Issues: Ensure the Bluetooth switch is on and the unit is in pairing mode. Forget the device on your audio source and attempt to re-pair.
- Charging Problems: Use the original USB Type-C cable and a compatible power adapter. Check the charging port for any debris.
- Unresponsive Controls: Try restarting the device. If the issue persists, contact customer support.
10. Specifications
| Feature | Specification |
|---|---|
| Item Weight | 2.8 pounds |
| Product Dimensions | 7.09 x 6.18 x 2.36 inches |
| Output Wattage | 10 Watts |
| Batteries | 1 Product Specific Polymer battery required (included) |
| Charging Port Type | USB Type-C |
| Compatible Devices | Electric guitar, Mixer, PA system, PC, Phone |
| Connector Type | 3.5mm Jack, 6.35mm Jack |
| Material Type | Acrylonitrile Butadiene Styrene, Metal, aluminum alloy |
11. What's in the Box
The JAM Buddy II package includes the following items:
- JAM BUDDY II Electric Guitar Amplifier
- Metal phone mount
- USB Type-C cable
- Owner's manual
12. Warranty and Support
JOYO TECHNOLOGY is committed to providing high-quality digital products for music education. If you experience any product issues, please refer to your order details and contact the seller, JoyoDirect, for assistance. They will be happy to help.
