QSC unBT2a and Axiom AXP2O Bundle

Stream and Extend Audio with the QSC Attero Tech unBT2A Bluetooth Interface and Axiom AXP2O Analog Expansion Module

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.

The QSC Axiom AXP2O is a compact, installation-friendly expansion module designed to provide simple and cost-effective point-to-point analog audio signal extension over non-networked CAT-5/6 cable. Ideal for integrating portable audio sources into fixed AV systems, the AXP2O offers two Flex I/O channels and seamless compatibility with Axiom Series wall plates, including USB1, BT1, and ML1.

• 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
• Simple, flexible analog audio extension over CAT-5/6 cable
• Two balanced, line-level Flex I/O ports (2 x 0, 1 x 1, or 0 x 2 configurations)
• Supports analog audio signal levels up to +24 dBu
• Pairs with Axiom ML1, USB1, and BT1 wall plates
• RS-232 connectivity for control integration into AV systems
• Compact and lightweight for easy installation

The AXP2O expansion module allows flexible integration of analog audio devices with installed audio systems and mixers. Designed with integrators in mind, its RS-232 port enables control integration with platforms such as Q-SYS, extending both functionality and versatility for a variety of commercial AV environments.

SPECIFICATIONS

Bluetooth

• Version: 3.0
• Profile: A2DP
• Range: Approx. 30 feet

Audio Outputs (unBT2A)

• 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

Audio Inputs / Outputs (AXP2O)

• Connector Type: 3.81 mm, 3-position de-pluggable terminal blocks
• Input Impedance: Mic 2k / Line 10k
• Maximum Input Level: +20 dBu
• Maximum Output Level: +24 dBu
• THD+N: Less than 0.05% @ 1 kHz, -3 dBFS input, 20 Hz 20 kHz
• Frequency Response: 20 Hz 20 kHz, +/- 1 dB
• Dynamic Range: Greater than 100 dB

RJ45 Connection

• Cable Type: CAT5e or higher UTP
• Maximum Cable Length: Up to 328 feet, 24 AWG UTP

RS-232 Port

• Connector Type: 3.81 mm, 3-position de-pluggable terminal blocks
• Physical Layer: RS-232

Axiom Port

• Physical Layer: Analog audio, RS-232 control, 24 V DC power
• Connector: 8P8C

Power and Environment

• Power Consumption (unBT2A): Less than 100 mA at 24 V (less than 2.4 W)
• Power Requirements (AXP2O): 24 V DC (center positive barrel jack), less than 30 mA
• Operating Temperature (unBT2A): 32F 104F
• Operating Temperature (AXP2O): 0C 40C

Compliance

• FCC CFR 47 Parts 15B Class A
• ICES-003
• CD (EN55022)
• RoHS
• REACH
• WEEE

Dimensions

• unBT2A In-Wall Module (W x H x D): 1.760 x 4.20 x 1.240 in / 3.120 x 4.880 x 1.550 in with wall plate
• AXP2O Module (H x W x D): 5.6 x 4.2 x 1.7 in (142.2 x 106.7 x 43.2 mm)

Weight

• AXP2O: 0.15 lb (0.07 kg)

Manufacturer:QSC Audio
Model:UNBT2ABOM
SKU:I847108-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.