RDL 2-Channel Unbalanced to Balanced Amplifier ST-UBA2
Consumer audio, pro-ready.
The RDL ST-UBA2 is a 2-channel unbalanced to balanced amplifier. It converts consumer format signals to professional +4 dBu for commercial installed-sound and AV systems.

Consumer audio gear does not speak pro levels.
Sources like CD players, televisions and computer sound cards put out unbalanced consumer format signals. Installed-sound systems expect professional +4 dBu.
Built for installed sound
A compact Stick-On amplifier that bridges consumer sources and professional audio systems.
Unbalanced to balanced
Converts unbalanced consumer format signals to professional +4 dBu.

Maximum frequency response
Response runs from 20 Hz up to 20 kHz.
Two audio channels
Handles 2 audio channels for stereo sources.
Full-range response
Frequency response of 20 Hz - 20 kHz keeps your music in crisp detail.
Signal strength kept clean
Increases the strength of a weak electrical signal without affecting other characteristics.
Everything you need to know.
| Brand | RDL |
| Model | 2-Channel |
| Product Type | Amplifier |
| Product Line | Stick-On |
| Audio Channels | 2 |
| Minimum Frequency Response | 20Hz |
| Maximum Frequency Response | 20kHz |
| Input Voltage | 33V DC |
| Color | Green |
| Environmentally Friendly | Yes |
| TAA Compliant | No |
| Country of Origin | US |
RDL 2-Channel Unbalanced to Balanced Amplifier ST-UBA2
The RDL ST-UBA2 is a 2-channel unbalanced to balanced amplifier. It is designed for commercial installed-sound and AV systems.
Key Features
- Increases the strength of aWeak electrical signal without affecting other characteristics.
- Hear your music in crisp detail with a frequency response of 20 Hz - 20 kHz.
- Showcases 2 audio channels.
Specifications
- Brand: RDL
- Model: ST-UBA2
- Product Line: Stick-On
- Product Model: ST-UBA2
- Product Type: Amplifier
- Audio Channels: 2
- Maximum Frequency Response: 20 kHz
- Minimum Frequency Response: 20 Hz
- Input Voltage: 33V DC
- Input Voltage (V DC): 33
- Limited Warranty: 3 year
- Environmentally Friendly: Yes
- TAA Compliant: No
- Shipping weight: 0.21 lb
Typical Uses
- Commercial background music and paging
- Conference and meeting rooms
- Retail, restaurant and hospitality installs
- Distributed 70V/100V speaker systems
Please confirm compatibility with your system, wiring and mounting requirements before ordering. If you need help choosing the right RDL part, contact us with your model numbers.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

RDL 2-Channel, ready to order.
- Product Type: Amplifier
- Product Line: Stick-On
- Audio Channels: 2
- Minimum Frequency Response: 20Hz
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