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 2021

Color Available

Black

Weight

 About 43.7 gincl. 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

Driver-free mode(Switch mode)

Supported

In-vehicle mode

Supported

NFC

Supported

Mic Function

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

Single-ended Headphone Output

3.5 mm stereo port

USB Port

Type C USB

Balanced Headphone Output

2.5mm port

Recommended headphone impedance

16~100ΩPO

16~150ΩBAL

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

 

Charging Time

≤1.5 h (DC 5V 500mA)

Power Input

Recommend DC 5V 500mA

Battery Capacity

550 mAh

 

 

Output Power

PO about 80mW32Ω loaded

Frequency Response

20Hz20kHz (aptX

PO about 90mW16Ω loaded

BAL about 240mW32Ω loaded

20Hz40kHz (LDAC

BAL about 240mW16Ω loaded

THD+N

PO<0.003%(LDAC 1kHz 32Ω dbA)

Output Impedance

PO≤1.0Ω32Ω loaded

BAL<0.002%(LDAC 1kHz 32Ω dbA)

BAL≤2.0Ω32Ω loaded

Noise Floor

PO≤2uV 32Ω dbA

Amplitude

PO1.6V32Ω /THD+N1%

PO:  1.8V (no loaded)

BAL≤2.2uV32Ω dbA

BAL: 2.8V32Ω /THD+N1%

BAL: 3.6V(no loaded)

SNR

PO≥118dB (32Ω dbA)

 

PO≥ 79dB1kHz 32Ω loaded

Crosstalk

PO≥ 95dB1kHz no loaded

BAL≥122dB(32Ω dbA)

BAL≥ 118dB1kHz 32Ω loaded

BAL≥119dB1kHz no loaded

Sampling Rate Supported Up to

384kHz/32bitUSB DAC 

DSD Support (USB IN)

DSD64/128/256

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

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;