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;

Model 

BTR5

Color Available

Black

Weight

 About 43.7 g(incl. battery)

Dimensions

About 72×32×11.1mm (exclusive of back clip)

Audio Input

 Bluetooth connection (Bluetooth 5.0 supported)

Supported Audio Format(s)

AAC/SBC/aptX/aptX LL/ aptX HD/LDAC

NFC

Supported

Mic Function

Support Bluetooth call, built-in omnidirectional microphone; support external microphone of CTIA cable

Headphone Output

3.5 mm stereo jack

USB Port

Type C USB

Balanced Headphone Output

2.5mm jack

Drive Ability

16~100Ω(PO)

16~150Ω(BAL)

Channel Balance

≤0.1 dB

Gain

Supported(High/Low)

Volume Control

Side buttons

Status indication

Display indicates the Bluetooth code, charging, battery, volume, sampling rate, menu

APP interconnection

Supports setting through App

Bluetooth Codes Display

Supported

Charging Time

≤1.5 h (DC 5V 500mA)

Power Input

Recommend DC 5V 500mA

Battery Capacity

550 mAh

 

 

Output Power

PO about 80mW(32Ω loaded)

Frequency Response

20Hz~20kHz (aptX connection)

PO about 90mW(16Ω loaded)

BAL about 240mW(32Ω loaded)

20Hz~40kHz (LDAC connection)

BAL about 240mW(16Ω loaded)

THD+N

PO<0.003%(LDAC 1kHz A-weighted)

Output Impedance

PO≤1.0Ω(32Ω loaded)

BAL<0.002%(LDAC 1kHz A-weighted)

BAL≤2.0Ω(32Ω loaded)

Noise Floor

PO≤2uV( A-weighted)

Amplitude

PO:1.6V(32Ω /THD+N<1%)

PO:  1.8V (no loaded)

BAL≤2.2uV( A-weighted)

BAL: 2.8V(32Ω /THD+N<1%)

BAL: 3.6V(no loaded)

SNR

PO≥118dB (32Ω  A-weighted)

 

PO≥ 79dB(1kHz 32Ω loaded)

Crosstalk

PO≥ 95dB(1kHz no loaded)

BAL≥122dB(32Ω  A-weighted)

BAL≥ 118dB(1kHz 32Ω loaded)

BAL≥119dB(1kHz no loaded)

Sampling Rate Supported Up to

384kHz/32bit(USB DAC) 

DSD Support (USB IN)

DSD64/128/256

Chips Used

DAC: ES9218PC * 2 , USB: XMOS XUF208 , Bluetooth: CSR8675 

 Accessories

Type C USB charging cable*1, Quick Start Guide*1, Warranty Card*1,Back Clip*1

 Battery Life & Test Conditions (The test result is based on specified test conditions and just for referrence)

 

Battery Life

About 9h 

Bluetooth Transmitter

iPhone (AAC)

Connected Headphones

M3 open earbuds(27Ω)

Volume

With set output at 40mV

Test File

Click here to download

 

 

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;