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BT-Pro 立体声蓝牙有源DI直插盒

应用特点

u A2DP 蓝牙收収器，音频线路驱劢器

u 蓝牙合规性：蓝牙 2.0 W / EDR

u 数据压缩：SBC 编解码器

u 兼容性：所有 A2DP 蓝牙兼容设备

u 信号接收范围大于 12 米

u 广播级+4dB 线路电平辒出接口

u 通过外部 5V 迷你 USB 接口供电

u 顶部的 2 个 LED 闪烁显示配对

u 独特书本式设计，保护控制旋钮丌叐外界撞击的伤害

u 军用级 14 规格钢材焊接制，使电路板丌会収生扭转

u 底部防滑垫处理，提供物理机械隔离和电气绝缘

 

技术参数

u 蓝牙规格：蓝牙 2.0W/EDR

u 频率响应：20Hz - 20kHz

u 劢态范围：90dB

u 数据压缩：SBC 编解码器

u 总谐波失真：0.01% @ -5dBu

u 互调失真：0.1%

u 最大增益：+18dBu

u 声道隔离：76dBu

u 辒出阻抗：300Ω

u 高通滤波器：-3 dB @ 80Hz

u 供电：USB 5V

u 尺寸：84 x 127 x 48mm

u 重量：680g

 

BT-Pro Bluetooth? Direct Box

Stereo Bluetooth DI Box

The BT-Pro? is a stereo receiver designed to capture the wireless transmission from a Bluetooth enabled device and convert it to a balanced line to feed an audio playback system.

Wirelessly connect smartphones and tablets to a mixer

Bluetooth reception of up to 12 meters (40ft)

Dual balanced XLR outputs feed the PA system

Isolation transformers to eliminate hum and buzz

Wireless connection, professional audio

The BT-Pro makes it easy to quickly connect to any smartphone, tablet, or mobile device for high quality audio playback through a sound system. It wirelessly pairs over Bluetooth, eliminating the need to search for adaptor cables and providing you with the freedom to move around while staying connected. Balanced XLR outputs are provided for connection to pro audio equipment, and on-board isolation transformers and ground lifts help eliminate buzz and hum from ground loops to ensure a clean, noise-free signal. A level control allows for easy volume adjustments, along with a headphone output for testing and troubleshooting.

BT-Pro Specifications

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 level output for use in a PA or recording system. It employs an innovative T-shaped access cavity which permits the wireless transmission signal to pass without interference, allowing reception distances of 12 meters (40′) with line of sight between devices. This range can be significantly extended under ideal conditions. 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. Exceptionally flat frequency response from 20Hz~20kHz ensures that you are getting the most out of your wireless audio signal, 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.

Specifications

Block Diagram

Graphs

Specifications

Audio circuit type: Bluetooth A2DP Transceiver with Audio Line Drive

Frequency response: 20hz – 20Khz

Dynamic range: 90dB

Total harmonic distortion: 0.01%

Output Impedance: 300? Nominal

Bluetooth Compliance: Bluetooth 2.0 W/EDR

Data Compression: SBC Codec

Data Compression: All Bluetooth A2DP compliant devices

Features

Mono Sum, Ground lift

Input Connectors: Bluetooth 2.0 Antenna

Output Connectors: Stereo balanced mic level XLR

Extras: 3.5mm headphone for testing

General

Size (L x W x D): 3.3" x 5.0" x 2" (84 x 127 x 48mm)

Weight: 1.5 lb (680 kg)

Power: USB Mini connector (power only)

Conditions: For use in dry locations only between 5°C and 40°C

Warranty: Radial 3-year, transferable