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Attero Tech by QSC

 unBT2A 

User Manual 

 

 

 QSC, LLC 2020 

 

614-00034 

8.1 – Device Specification 

 
 

 

Physical Dimensions (unBT2A) 

Width 

1.7" 

Height 

4.2" 

Depth 

1.2" 

Weight 

0.2 lbs. 

Physical Dimensions (unBT2A-EXP) 

Width 

5.75" 

Height 

1.125" 

Depth 

1.625" 

Weight 

0.15 lbs.  

Product Compliance 

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

Other 

Temperature: 

0 – 40° C 

Power Consumption 

<100mA @ 24V (< 2.4W) 

Audio Inputs 

 

Input Types: 

Stereo Bluetooth® v3.0 audio 
receiver 
(A2DP Profile only) 

Range 

Approx. 10m (30ft) minimum 

Audio Outputs

 

Output Type:

 

Two balanced line level with 
automatic muting on loss of 
A2DP audio stream 
Phoenix-style 3.81mm de-
pluggable terminal blocks 

Output 
Sensitivity 

+4 dBu / -10dBV  
Software switchable 

Output 
Impedance: 

200 Ohms balanced, 
100 Ohms unbalanced 

Maximum 
Output 
Levels: 

+20 dBu (+4dBu Pro Mode) 
+6dBu a (-10dB – Consumer 
mode)) 

Max Cable  
Length 

100 meters, 24 AWG UTP 

Audio Output Performance

 

Dynamic 
Range:

 

>87 dB 

THD+N: 

<0.05% @ 1kHz, input signal 
3dB below maximum 

Frequency 
Response 

20Hz – 20kHz, +1dB /- 3dB 

RS-232 Port

 

Baud Rate:

 

9600 bps 

Data Bits 

Parity  

None 

Stop Bit 

Max Cable  
Length 

100 meters, 24 AWG UTP 

Summary of Contents for ATTEROTECH unBT2A

Page 1: ...erved QSC and the QSC logo are registered trademarks of QSC LLC in the U S Patent and Trademark office and other countries All other trademarks are the property of their respective owners Patents may...

Page 2: ...ularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by Attero Tech 12 Use only with the cart stand tripod bracket or...

Page 3: ...y energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to c...

Page 4: ...uct Features 5 3 System Connectivity 8 4 Initial Device Setup 9 4 1 Factory Reset 9 5 Mounting and Installation 10 5 1 Audio Connections 11 6 Bluetooth Operation 12 7 3rd Party Control 13 7 1 RS 232 I...

Page 5: ...A EXP has an RS 232 port for 3rd party control in installations featuring an integrated control system Features o Single gang Decora form factor for easy installation in space constrained applications...

Page 6: ...cator 3 Power ID Error indicator see note below Note The unBT2A is equipped with error reporting features Upon power up the power LED will initially light red and then change to green if the device bo...

Page 7: ...LLC 2020 614 00034 Figure 2 unBT2A Rear Panel Features 4 USB Configuration Port 5 unBT2A EXP Port CAT5 6 connection for Audio Power and Control Note This is NOT a network port DO NOT connect to a netw...

Page 8: ...re 3 unBT2A EXP Features 7 RJ45 unBT2A Port CAT5 6 connection for Audio Power and Control Note This is NOT a network port DO NOT connect to a network switch 8 Balanced Audio Output Terminal Blocks 9 R...

Page 9: ...this example the analog outputs are interfaced to an audio DSP for processing and distribution throughput the venue The RS 232 is interfaced to a control system to allow extended control over the unBT...

Page 10: ...is powered only via USB If it is necessary to test the audio output while connected to the USB connect the unBT2A EXP and the use the supplied wall wart in order to fully power the device For a comple...

Page 11: ...tionally the unBT2A wall plate should also start up and once ready to operate the front panel power status indicator should also be illuminated green Note Upon power up the power LED will initially li...

Page 12: ...onnecting the outputs of the unBT2A to audio devices GND Pin 1 Pin 3 Pin 2 1 1 2 3 XLR M 2 Wire Cable Shield Or 3 Wire Cable TRS Plug GND Sleeve Tip Ring 2 Wire Cable Shield Or 3 Wire Cable Figure 7 B...

Page 13: ...0 seconds after which the status LED will stop flashing and turn off and the unBT2A will disable its Bluetooth interface Note The default friendly name visible to other devices is unBT2A This name can...

Page 14: ...available to the installer except firmware updates are also supported via the RS 232 interface The full command set that the unBT2A supports can be found in the unIFY 3rd party Software API document a...

Page 15: ...e Maximum audio output level shall be 20dBu in the 4dBu mode and 6dBu in the 10dBVmode The device shall have RS 232 real time control of pairing and other user features over a 3 pin depluggable connec...

Page 16: ...P Profile only Range Approx 10m 30ft minimum Audio Outputs Output Type Two balanced line level with automatic muting on loss of A2DP audio stream Phoenix style 3 81mm de pluggable terminal blocks Outp...

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