1. Introduction
The Donner Basement Bass Guitar Headphone Amplifier is a compact, portable device designed for silent practice sessions. It allows bass guitarists to practice with headphones, ensuring privacy and minimizing disturbance to others. This amplifier features an Ampeg SVT-based sound, a WAH effect, and essential controls for volume, tone, and drive, making it suitable for various music styles. Its rechargeable battery provides extended playing time, and its lightweight design ensures convenience for use in any environment.
Figure 1: User practicing with the Donner Basement Headphone Amplifier.
2. Product Overview
Key Features:
- Silent Practice: Designed for private practice sessions using headphones.
- Ampeg SVT-based Sound: Delivers a classic bass amplifier tone.
- Integrated FX Function: Includes a WAH effect for enhanced sound.
- Adjustable Controls: Features Volume, Tone, and Drive knobs for sound customization.
- Rechargeable Battery: Built-in lithium battery provides up to 5 hours of continuous use on a full charge.
- Portability: Mini and lightweight design for easy transport and use anywhere.
- Multiple Connectivity: Compatible with headphones, speakers, media players, and smartphones via 1/4" (3.5mm) splitter and AUX input.
Package Contents:
- Donner Basement Bass Guitar Headphone Amplifier
- USB Charging Cable
- 1/4" (3.5mm) Headphones Splitter
- AUX Audio Cable
Figure 2: Donner Basement Headphone Amplifier and accessories.
3. Setup
3.1 Charging the Amplifier
- Locate the USB charging port on the side of the amplifier.
- Connect the provided USB charging cable to the amplifier and to a standard USB power source (e.g., computer USB port, USB wall adapter).
- The power indicator lights will illuminate to show charging status. A full charge typically takes approximately 2 hours and provides up to 5 hours of continuous use.
Figure 3: USB charging port and power indicators.
3.2 Connecting to Your Instrument
- Ensure the amplifier is powered off before connecting.
- Plug the 1/4-inch jack of the amplifier directly into the output jack of your bass guitar.
Figure 4: Connecting the amplifier to a bass guitar.
3.3 Connecting Headphones
- Plug your headphones into the 'PHONES' jack on the amplifier.
- If you wish to share the audio or use two sets of headphones, use the provided 1/4" (3.5mm) headphones splitter.
3.4 Connecting External Audio (AUX Input)
- To play along with backing tracks or music, connect an external audio source (e.g., smartphone, media player) to the 'AUX' input jack using the provided AUX audio cable.
Figure 5: Amplifier with headphone splitter and AUX connection.
4. Operating Instructions
4.1 Powering On/Off
- To power on the amplifier, slide the 'POWER' switch to the 'ON' position. The power indicator lights will illuminate.
- To power off, slide the 'POWER' switch to the 'OFF' position.
4.2 Controls
The Donner Basement amplifier features three main control knobs and an FX switch:
- VOLUME: Adjusts the overall output volume to your headphones.
- TONE: Modifies the tonal characteristics, from darker to brighter sounds.
- DRIVE: Controls the amount of gain and distortion. Turn clockwise for more aggressive tones.
- FX Switch (WAH): Toggles the built-in WAH effect on or off.
Figure 6: Amplifier controls and indicators.
4.3 Battery Level Indicator
The amplifier features multiple LED lights that indicate the remaining battery power. Observe these lights to determine when recharging is necessary.
5. Maintenance
5.1 Cleaning
- Wipe the amplifier with a soft, dry cloth.
- Do not use abrasive cleaners, solvents, or waxes.
5.2 Battery Care
- Recharge the battery regularly, even if not in frequent use, to maintain battery health.
- Avoid exposing the device to extreme temperatures (hot or cold) as this can affect battery life and performance.
- Do not attempt to replace the internal battery yourself. Contact customer support if battery issues arise.
5.3 Storage
- Store the amplifier in a cool, dry place away from direct sunlight and moisture.
- Disconnect all cables when storing for extended periods.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output | Amplifier not powered on; Headphones not connected; Volume too low; Instrument cable loose. | Ensure power switch is ON; Connect headphones securely; Increase VOLUME knob; Re-seat amplifier in instrument jack. |
| Poor sound quality / Hissing noise | Loose connections; Faulty headphones/cable; High DRIVE setting; Interference. | Check all connections; Try different headphones or cables; Reduce DRIVE setting; Move away from other electronic devices. |
| Battery not charging | USB cable not connected properly; Faulty USB cable/power source. | Ensure USB cable is firmly connected; Try a different USB cable or power source. |
| FX (WAH) effect not working | FX switch is off. | Ensure the FX switch is in the 'ON' position. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Donner |
| Model Name | Basement (EC1084) |
| Compatible Devices | Bass, Guitar, Headphones, Speakers, Media Players, Smartphones |
| Amplifier Type | Digital Amplifier |
| Output Wattage | 5 Watts |
| Power Source Type | Battery Powered (Rechargeable Lithium Polymer) |
| Battery Life | Up to 5 hours (fully charged) |
| Material Type | Plastic |
| Product Dimensions | 8.89 x 7.87 x 3.05 cm (3.5 x 3.1 x 1.2 inches) |
| Item Weight | 50 g |
Figure 7: Product dimensions.
8. Warranty and Support
Donner products are designed for reliability and performance. For warranty information, technical support, or any inquiries regarding your Donner Basement Bass Guitar Headphone Amplifier, please refer to the official Donner website or contact Donner customer service directly. Keep your purchase receipt for warranty claims.
Contact Information: Please visit the official Donner store page for the most up-to-date support contact details.
