Stream Wirelessly with the QSC Attero Tech unBT2A In-Wall Bluetooth Audio Interface
The Attero Tech unBT2A is a single-gang, Decora-style in-wall Bluetooth audio interface designed for installed audio systems in sports bars, spas, stadium luxury boxes, fitness centers, office waiting areas, meeting rooms, and more. The unBT2A can easily be paired to most Bluetooth-enabled smartphones and portable players, as well as Apple and Android tablets, providing up to 30 feet of Bluetooth range.
- Includes unBT2A in-wall module
- Mounts in standard single-gang junction box (sold separately)
- Up to 328-foot CAT5/6 connection distance between modules
- Bluetooth audio only (HF calls not supported)
- Standalone mode for easy user pairing and device switching
- 3rd party RS-232 integration for controlled pairing and access
- Front panel Pair button with blue LED indicator
- Mini-B USB port for setup and firmware updates (Windows only)
- Dual balanced/unbalanced Euroblock outputs for flexible connections
SPECIFICATIONS
Bluetooth
- Version: 3.0
- Profile: A2DP
- Range: Approx. 30 feet
Audio Outputs
- Type: Two balanced/unbalanced line-level
- Connection: Two 3-pin Euroblock (Phoenix) connectors
- Output Sensitivity: +4 dBu / -10 dBV (software switchable)
- Output Impedance (Balanced): 200
- Output Impedance (Unbalanced): 100
- Maximum Output (+4 dBu): +20 dBu
- Maximum Output (-10 dBV): +6 dBu
- Dynamic Range: Greater than 87 dB
- THD+N: Less than 0.05% at 1 kHz input signal 3 dB below max
- Frequency Response: 20 Hz 20 kHz, +1 dB / -3 dB
RJ45 Connection
- Cable Type: CAT5 or CAT6
- Maximum Cable Length: Up to 328 feet, 24 AWG UTP
RS-232 Port
- Baud Rate: 9600 bps
- Data Bits: 8
- Parity: None
- Stop Bit: 1
- Maximum Cable Length: Up to 328 feet, 24 AWG UTP
Power and Environment
- Power Consumption: Less than 100 mA at 24 V (less than 2.4 W)
- Operating Temperature: 32F 104F
Compliance
- FCC CFR 47 Parts 15B Class A
- ICES-003
- CD (EN55022)
- RoHS
- REACH
Dimensions unBT2A In-Wall Module
- Width: 1.760 in / 3.120 in with wall plate
- Height: 4.20 in / 4.880 in with wall plate
- Depth: 1.240 in / 1.550 in with wall plate
Manufacturer:QSC Audio
Model:UNBT2A-WP
SKU:I640329-N-0-WHXD
We are Chuck Levin’s Washington Music Center
Since 1958, Chuck Levins Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Musicfrom instruments and recording gear to pro audio, rentals, and repair services.
Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE lineexclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.
Chuck Levins isnt just a storeits a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.


Reviews
There are no reviews yet.