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Radial Engineering BT-Pro

BlueTooth wireless receiver with balanced stereo DI outputs

Free Tech Support

$249.99

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Description

The BT-Pro is a Bluetooth® direct box designed to capture the wireless transmission from a Bluetooth® enabled device and convert the signal to a balanced line for use in a PA or recording system. It employs an innovative T-shaped access cavity behind which is located the antenna. This is protected by a milled insert made from Sintra® – a rugged closed-cell PVC - that permits the wireless transmission signal to pass without interference, allowing reception distances of 12 meters (40') or more with line of sight between devices.

The audio signal path itself employs the latest Bluetooth wireless A2DP interface over 2.0 EDR (Enhanced Data Rate) for higher speed transmission to deliver optimal audio quality. This standard employs a 16-bit wireless compressed format with the actual bit rate determined by the transmission source material. Inside, the BT-Pro converts the data to a stereo analog signal, producing up to +4dB at the output. The signal level is controlled by a front panel potentiometer that is shared with the built-in headphone amp with standard 3.5mm mini TRS that is used for troubleshooting. For greater flexibility, a stereo-to-mono switch sums the stereo output for dual-mono operation to reduce input channel requirements on the mixer or to share the signal between separate systems. Should noise be encountered, two side-mounted isolation transformers may be inserted into the signal path. This is supplemented by a ground lift switch for the XLRs to further help eliminate hum and buzz caused by ground loops.

Connecting to the BT-Pro is easy. The BT-Pro is powered by an external 5V supply via a mini USB port and may also be powered from a laptop or USB hub. Once turned on, two top-mounted LEDs will toggle as it awaits pairing. Turn on your Bluetooth device and its transceiver sends an initial pairing message to identify the BT-Pro. This will show up as 'RadialEng'. A connection pass code is then used to initialize the connection. This important safety feature ensures other nearby Bluetooth devices cannot 'pollute or hijack' the system. Once paired, the BT-Pro's blue LED will flash every 3 seconds to let you know the two Bluetooth devices are talking to each other.

The Radial BT-Pro… a wireless DI made for professional touring.

Features

Isolation transformers to eliminate buzz and hum

Dual balanced XLR outputs to connect to PA system

Built-in headphone amp for troubleshooting

Bluetooth reception to 12 meters (40 feet!)

Specs

Bluetooth2.0 with EDR
Audio Circuit TypeBluetooth A2DP transceiver with audio line drive
Bluetooth CompatibilityAll Bluetooth A2DP compliant devices
Frequency Response20 Hz to 20 kHz
Dynamic Range96 dB
S/N96 dB
Maximum Gain+8 dBu (source-file dependent)
Harmonic Distortion0.01%
Stereo Separation75 dBu
Output Impedance300 Ohms nominal
Audio Output2x XLR stereo balanced, mic level
Headphone Output1/8" / 3.5 mm TRS
Level ControlVariable, works on headphone and XLR
Transformer IsolationIndependent for each channel
Mono / DualMono switch sums left and right channels
Ground LiftLifts pin 1 on both XLR outputs
FinishPowder coat
FCC ComplianceComplies with section 15 of the FCC Rules
Temperature & HumidityFor use in dry locations only between 41°F and 104°F (5°C and 40°C)
PowerUSB-Mini connector (power only)
Dimensions3.3 x 5.0 x 2" (84 x 127 x 48 mm)
Weight1.5 lb (680 g)
Package Weight2.1 lb
Box Dimensions (LxWxH)10.7 x 4.9 x 2.7"