基本规格
名称/型号 BR15 R2R 硬件方案 Master control: ESP32-S3; DAC: ZHUONING proprietary R2R DAC; USB decoding: XU316; Bluetooth decoding: QCC5181
工作模式 USB DAC mode/Coaxial decoding mode/Optical decoding mode/Bluetooth receiving mode 颜色 黑/银
重量 About 760g 尺寸 About 210x188x42mm (including feet)
音量控制 远程控制 远程控制 支持红外遥控(仅随附配件中的遥控器)
Drive-free mode (switch mode) 支持 卓宁控制 支持
过采样设置 OFF/96K/192K/384K Bluetooth reception (6.0) LC3/SBC/AAC/aptX/aptX HD/aptX Adaptive/LDAC/aptX Lossless
MQA Supports MQA full decoding (PEQ=OFF) PEQ Supports 10-band PEQ
显示 1.47-inch LCD 指示灯 支持自定义颜色、亮度,支持始终在线指示或RGB脉冲
Max. supported sampling rate (PEQ=OFF) USB decoding: 384kHz/32bit; DSD256 屏幕状态指示 Sampling rate, volume, EQ, Bluetooth codec, working mode, etc.
Coaxial decoding: 192kHz/24bit; DSD64 固件升级 MCU firmware: Upgrade through the front USB-C port
Optical decoding: 192kHz/24bit; DSD64 XMOS固件:通过前端或后端USB-C端口升级
Coaxial output: Up to 192kHz/24bit; DSD64 Bluetooth firmware: Upgrade through the ZHUONING Control app
Optical output: Up to 192kHz/24bit; DSD64    
按键与接口
旋钮 Menu knob with button*1+Volume knob with button*1 USB 端口 Type-C USB*2 (Data transmission port)
Digital coaxial input/output port RCA port (shared input/output) 数字光纤输入端口 光端口
平衡线输出端口 XLR3平衡接口 数字光输出端口 光端口
单端线路输出端口 RCA端口* 2 物理按钮 电源按键
电源参数
电源 AC 100-240V~50/60Hz; DC 5V/≥2A (either-or) 电池容量 电池无
音频参数
Performance and parameters of single-ended line output (RCA out, USB DAC/Coaxial decoding/Optical decoding, oversampling 192K)
THD+N About 0.017% (1kHz/0dB@10KΩ) SNR ≥ 116dB ( A加权)
串扰 ≥110dB 本底噪声 <3.3uV (A-weighted)
频率响应 20Hz ~ 20kHz :衰减< 0.2dB 动态范围 ≥110dB
20Hz~65kHz: attenuation<2.9dB 线路输出电平 2.2Vrms (1kHz@10kΩ)
Performance and parameters of balanced line output (XLR3 out, USB DAC/Coaxial decoding/Optical decoding, oversampling 192K)
THD+N About 0.015% (1kHz/0dB@10KΩ) SNR ≥ 119dB ( A加权)
串扰 ≥112dB 本底噪声 <5.1uV (A-weighted)
频率响应 20Hz ~ 20kHz :衰减< 0.2dB 动态范围 ≥112dB
20Hz~65kHz: attenuation<2.9dB 线路输出电平 4.4Vrms (1kHz@10kΩ)

USB, Coaxial, Optical Frequency Response Curves

Test conditions: Oversampling 192K, -5dB sinusoidal signal,20Hz-20kHz,RCA line out (10kΩ load)

Test conditions: Oversampling 192K, ,-5dB sinusoidal signal, 20Hz-65kHz, RCA line out (10k load)

Test conditions: Oversampling 192K, -5dB sinusoidal signal, 20Hz-20kHz, XLR3 balanced line out (10kΩ load)

Test conditions: Oversampling 192K, -5dB sinusoidal signal, 20Hz-65kHz, XLR3 balanced line out (10kΩ load)

USB, Coaxial, Optical Distortion Curves

Test conditions: Oversampling 192K, -0dB sinusoidal signal, RCA line out (10kΩ load)

Test conditions: Oversampling 192K, -0dB sinusoidal signal, XLR3 balanced line out (10kΩ load)