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The BTR5 2021 headphone amps equipped with USB Type C connector, it can make BTR5 2021 compatiable for other device more easier. There are 3.5+2.5mm dual outputs, bringing pure sound to a greater variety of earphones.
Utilizing an Audiophile-approved performance bluetooth chip the Qualcomm CSR8675 is a low-power Bluetooth chip with enhanced audio capabilities, such as supporting 24-bit audio processing and possessing a 120 MHz DSP, allowing it to powerfully handle various Bluetooth decoding functions with ease.
Your Bluetooth device can be transformed into a part of a Hi-Res Wireless setup by simply connecting it to the BTR5 2021. With the help of the BTR5 2021's Bluetooth version 5.0 supporting high-resolution formats such as AAC/SBC/aptX/aptX Low Latency/aptX HD/LDAC up to 96kHz, you can get a portable sounding setup with your current device!
After you using it you would change your original opinion on the experience for bluetooth hi-res sound.
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High-performance DAC ES9219C*2The core of the BTR5 bluetooth receiver has been renewed with the ES9219C DAC chip with better decoding performance, higher signal-to-noise ratio, and lower power consumption. Let a new chapter in wireless sound quality begin! |
Supports MQAA new addition to the updated BTR5 2021 bluetooth headphone amp is support for MQA Renderer, allowing for high-resolution, master-level sound quality in reasonably sized files well-suited for your mobile device. PS: Supports up to MQA 16x decoding with applicable music apps. |
FPGA precision clock managementAn FPGA is responsible for the transmission and reception of Bluetooth and USB digital audio signals, as well as clock management. In the BTR5 2021, after the Bluetooth signal is processed through the FPGA, jitter is greatly reduced and signal stability is improved, completely solving the problem of different clock rates that exist between the different parts of the audio architecture. *Tests have shown that Bluetooth music playback quality under LDAC is as good as local playback on a high-end audio player. |
Dual crystal oscillatorsIndependent dual crystal oscillators for accurate audio reproduction. With the addition of a dedicated FPGA, the 45.1584/49.152MHz dual crystal oscillators can more accurately reproduce audio signals under various sampling rates during Bluetooth and USB decoding. |
Connect to wired headphones
Connect to car's AUX in
Connect to your desktop setup
Receive your TV's audio
(1)The BTR5 2021 bluetooth amplifier is capable of asynchronous audio decoding under USB Audio Class 2.0. As a USB DAC, the BTR5 2021 can decode up to 384kHz sampling rate and native DSD256 decoding.
(2)USB DAC functionality supports 2 modes.
(3)When a USB connection is detected the BTR5 2021, it will automatically prompt you to turn on "USB Audio Adapter" mode, which turns off charging to the BTR5 2021 and allows you to use it as an audio dongle for your phone or other devices.
With a built-in 550mAh battery, the BTR5 2021 only takes 1.5 hours to fully charge but lasts for a length of 9 hours!
*3.5mm output, using AAC codec
The one display shows all – a major feature of the BTR5 2021 portable amplifier is the crisp 0.49 inch 64x32 resolution OLED screen that displays pairing/connection/call status/power status/encoding format/volume. And with the display, you can call up a menu that allows you to visually view and adjust the charging status, enable car mode, change filters and EQ, etc.
1. BTR5 2021 Standard(Regular) Edition:
(1) USB Type-C to USB Type-C short cable*1
(2) Back clip*1
(3) User manual*1
(4) Card*1
(5) Bluetooth instructions*1
2. BTR5 2021 Apple Edition:
except for those included in the standard edition, there is an extra USB Type-C to Lightning cable.
Frequency Response diagram of curves 1.
Test condition：aptX HD connection, play -5 dB sinusoidal signal, High Gain, 48kHz 20Hz-20kHz, 3.5mm headphone output（32Ω loaded）
Frequency Response diagram of curves 2.
Test condition：LDAC connection, play -5 dB sinusoidal signal, High Gain, 96kHz 20Hz-20kHz, 3.5mm headphone output（32Ω loaded）
Left channel=Red curve；Right channel=Blue curve;
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Model |
BTR5 2021 |
Color Available |
Black |
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Weight |
About 43.7 g（incl. battery） |
Dimensions |
About 72×32×11.1mm (exclusive of back clip) |
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Audio Input |
Bluetooth connection (Bluetooth 5.0 supported) |
Supported Audio Format(s) |
AAC/SBC/aptX/aptX LL/ aptX HD/LDAC |
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Driver-free mode（Switch mode） |
Supported |
In-vehicle mode |
Supported |
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NFC |
Supported |
Mic Function |
Support Bluetooth call, built-in omnidirectional microphone; support external microphone of CTIA cable |
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Single-ended Headphone Output |
3.5 mm stereo port |
USB Port |
Type C USB |
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Balanced Headphone Output |
2.5mm port |
Recommended headphone impedance |
16~100Ω（PO） |
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16~150Ω（BAL） |
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Channel Balance |
≤0.1 dB |
Gain |
Supported(High/Low) |
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Volume Control |
Side buttons |
Status indication |
Display indicates the Bluetooth code, charging, battery, volume, sampling rate, menu |
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APP interconnection |
Supports setting through App |
Bluetooth Codes Display |
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Charging Time |
≤1.5 h (DC 5V 500mA) |
Power Input |
Recommend DC 5V 500mA |
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Battery Capacity |
550 mAh |
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Output Power |
PO about 80mW（32Ω loaded） |
Frequency Response |
20Hz～20kHz (aptX ） |
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PO about 90mW（16Ω loaded） |
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BAL about 240mW（32Ω loaded） |
20Hz～40kHz (LDAC ） |
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BAL about 240mW（16Ω loaded） |
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THD+N |
PO＜0.003%(LDAC 1kHz 32Ω dbA) |
Output Impedance |
PO≤1.0Ω（32Ω loaded） |
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BAL＜0.002%(LDAC 1kHz 32Ω dbA) |
BAL≤2.0Ω（32Ω loaded） |
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Noise Floor |
PO≤2uV（ 32Ω dbA） |
Amplitude |
PO：1.6V（32Ω /THD+N＜1%） |
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PO: 1.8V (no loaded) |
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BAL≤2.2uV（32Ω dbA） |
BAL: 2.8V（32Ω /THD+N＜1%） |
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BAL: 3.6V(no loaded) |
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SNR |
PO≥118dB (32Ω dbA) |
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PO≥ 79dB（1kHz 32Ω loaded） |
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Crosstalk |
PO≥ 95dB（1kHz no loaded） |
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BAL≥122dB(32Ω dbA) |
BAL≥ 118dB（1kHz 32Ω loaded） |
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BAL≥119dB（1kHz no loaded） |
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Sampling Rate Supported Up to |
384kHz/32bit（USB DAC） |
DSD Support (USB IN) |
DSD64/128/256 |
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hardware scheme |
DAC: ES9219C * 2 , USB: XMOS XUF208 , Bluetooth： CSR8675 |
Accessories |
Standard version: charging cable, back clip, quick start guide, Type C to C skin-friendly silicone cable |
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Apple Deluxe Edition: charging cable, back clip, quick start guide, Type C to C skin-friendly silicone cable, 8 strands of silver-plated braided Type C to lightning cable |
Frequency Response diagram of curves 3.
Test condition：aptX HD connection,play -5 dB sinusoidal signal, High Gain, 48kHz 20Hz-20kHz， 2.5mm balanced output (32Ω loaded)
Left channel=Red curve；Right channel=Blue curve;
Frequency Response diagram of curves 4.
Test condition: LDAC connection，,play -5dB sinusoidal signal, High Gain, 96kHz 20Hz-20kHz, 2.5mm balanced output (32Ω loaded)
Left channel=Red curve；Right channel=Blue curve;
Frequency Response diagram of curves 5.
Test condition：USB DAC, play -5 dB sinusoidal signal, High Gain, 48kHz 20Hz-20kHz, 3.5mm headphone output（32Ω loaded）
Left channel=Red curve；Right channel=Blue curve;
Frequency Response diagram of curves 6.
Test condition：USB DAC, play -5 dB sinusoidal signal, High Gain, 48kHz 20Hz-20kHz, 2.5mm balanced output (32Ω loaded)
Left channel=Red curve；Right channel=Blue curve;
