| 基本规格 |
| 名称/型号 |
DM15 R2R |
硬件方案 |
Master control: GD32F305RET6, op-amp: SGM8262*2,
DAC: ZHUONING proprietary R2R DAC, Bluetooth: QCC3095,
USB chip: SPV5048
|
| 工作模式 |
CD playback/USB DAC mode/Bluetooth transmitter mode |
| 颜色 |
White/Black/Red/Silver/Retro gold |
重量 |
About 471.5g |
| 尺寸 |
About 144x 137x 25.5mm (not including foot pads and knobs) |
Volume Control |
旋钮 |
| 显示 |
0.96 inch (80x 160)LCD display |
Laser pickup |
Custom laser pickup |
| 自适应阻抗 |
PO:8~350Ω |
Mechanism |
Custom mechanism |
| BAL:8~350Ω |
|
|
| Buttons and Ports |
| 按键 |
Power*1; Stop*1; Play/Pause*1; Previous track*1; Next track*1; EQ*1; |
USB |
Type-C USB2.0 * 1 (data transfer) +
Type-C POWER IN * 1 (charging/independent
power supply interface)
|
| 耳机输出 |
Standard 3.5mm socket |
均衡输出 |
标准4.4毫米插座 |
| 线路输出 |
Standard 3.5mm socket |
平衡线路输出 |
标准4.4毫米插座 |
| 同轴输出 |
Standard 3.5mm socket (multiplexed with LO port) |
光输出 |
standard 3.5mm socket (multiplexed with LO port) |
| 拨动开关 |
Input switch button * 1 + output switch button * 1 + BASS switch * 1 + ESP switch * 1 + D.MODE switch * 1 |
|
|
| Special function |
| Bluetooth transmission (5.4) |
SBC/aptX/aptX-HD/aptX-LL/aptX-Adaptive |
Operation mode |
Button/Knob |
| BASS |
BASS OFF/1/2 |
Timing Shutdown |
支持 |
| EQ Adjustment |
built-in 8 kinds of preset EQ |
Drive-free mode |
支持 |
| 支持的最大采样率 |
USB DAC: Up to 384kHz/32bit; DSD256 (Native) |
固件升级 |
USB Upgrade/Local Upgrade |
| Coaxial output: Up to 192kHz/24bit |
|
|
| Optical output: Up to 96kHz/24bit |
|
|
| 电源参数 |
| 电源 |
Supports PD2.0 and PD3.0 fast charge |
充电时间 |
About 2 hours (PD3.0 fast charge) |
| CD playback mode battery life and test conditions |
| 3.5mm headphone output: 7 hours |
| 音量 |
59 |
BASS |
关 |
| Display state |
关 |
ESP |
ON |
| EQ |
关 |
D.MODE |
关 |
| 加载 |
32 Ω |
|
|
| 4.4mm balanced headphone output: 7 hours |
| 音量 |
53 |
BASS |
关 |
| Display state |
关 |
ESP |
ON |
| EQ |
关 |
D.MODE |
关 |
| 负载 |
32 Ω |
|
|
| USB decoding mode battery life and test conditions |
| 3.5mm headphone output: 11 hours |
| 音量 |
59 |
BASS |
关 |
| 幕布状态 |
关 |
ESP |
关 |
| EQ |
关 |
D.MODE |
关 |
| 加载 |
32 Ω |
|
|
| 4.4mm balanced headphone output: 10.5 hours |
| 音量 |
53 |
BASS |
关 |
| 幕布状态 |
关 |
ESP |
关 |
| EQ |
关 |
D.MODE |
关 |
| 加载 |
32 Ω |
|
|
| 音频参数 |
| Performance and parameters of headphone output (3.5mm output, USB DAC, OS mode, desktop mode) |
| 输出功率 |
L+R≥575mW+575mW (16Ω,THD+N<1%,3.1Vrms) |
输出阻抗 |
< 1Ω |
| L+R≥315mW+315mW (32Ω,THD+N<1%,,3.2Vrms) |
串扰 |
≥ 72dB |
| L+R≥35mW+35mW (300Ω,THD+N<1%,3.3Vrms) |
峰值输出电压 |
9.5Vp-p |
| SNR |
≥ 111dB （ A加权） |
THD+N |
<0.025%(1kHz/-6dB @ 32Ω) |
| 频率响应 |
20Hz ~ 80kHz: Attenuation <2.9dB |
本底噪声 |
<8.7uV(A weight) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 106dB （ A加权） |
| Performance and parameters of headphone output (3.5mm output, USB DAC, OS mode) |
| 输出功率 |
L+R≥405mW+405mW (16Ω,THD+N<1%,2.5Vrms) |
输出阻抗 |
< 1Ω |
| L+R≥220mW+220mW (32Ω,THD+N<1%,,2.7Vrms) |
串扰 |
≥ 72dB |
| L+R≥25mW+25mW (300Ω,THD+N<1%,2.8Vrms) |
峰值输出电压 |
7.9Vp-p |
| 信噪比 |
≥ 111dB （ A加权） |
THD+N |
<0.025%(1kHz/-6dB @ 32Ω) |
| 频率响应 |
20Hz ~ 80kHz: Attenuation <2.9dB |
本底噪声 |
<7.5uV(A weight) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 106dB （ A加权） |
| Performance and parameters of balanced headphone output (4.4mm output, USB DAC, OS mode, desktop mode) |
| 输出功率 |
L+R≥480mW+480mW (16Ω,THD+N<1%,2.8Vrms) |
输出阻抗 |
< 1.5Ω |
| L+R≥1150mW+1150mW (32Ω,THD+N<1%,6.1Vrms) |
串扰 |
≥ 100dB |
| L+R≥145mW+145mW (300Ω,THD+N<1%,6.6Vrms) |
峰值输出电压 |
18.8Vp-p |
| SNR |
≥ 112dB （ A加权） |
THD+N |
<0.025%(1kHz/-6dB @ 32Ω) |
| 频率响应 |
20Hz ~ 70kHz: Attenuation <3dB |
本底噪声 |
<14.7uV(A weight) |
| 20Hz ~ 20KHz: attenuation <0.3dB |
动态范围 |
≥ 107dB （ A加权） |
| Performance and parameters of balanced headphone output (4.4mm output, USB DAC, OS mode) |
| 输出功率 |
L+R≥545mW+545mW (16Ω,THD+N<1%,2.9Vrms) |
输出阻抗 |
< 1.5Ω |
| L+R≥815mW+815mW (32Ω,THD+N<1%,5.1Vrms) |
串扰 |
≥ 100dB |
| L+R≥100mW+100mW (300Ω,THD+N<1%,5.5Vrms) |
峰值输出电压 |
15.8Vp-p |
| SNR |
≥ 112dB （ A加权） |
THD+N |
<0.025%(1kHz/-6dB @ 32Ω) |
| 频率响应 |
20Hz ~ 80kHz ：衰减< 2.9dB |
本底噪声 |
<12.7uV(A weight) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 107dB （ A加权） |
| Performance and parameters of line output (3.5mm output, USB DAC, OS mode, desktop mode) |
| THD+N |
<0.025%(1kHz/-6dB @ 10KΩ) |
SNR |
≥ 111dB(A-weighted) |
| 串扰 |
≥ 100dB |
本底噪声 |
<9.2uV(A weight) |
| 频率响应 |
20Hz ~ 80kHz ：衰减< 2.9dB |
输出水平 |
3.3Vrms(1KHz@10kΩ) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 106dB （ A加权） |
| Performance and parameters of line output (3.5mm output, USB DAC, OS mode) |
| THD+N |
<0.025%(1kHz/-6dB @ 10KΩ) |
SNR |
≥ 111dB(A-weighted) |
| 串扰 |
≥ 100dB |
本底噪声 |
<7.9uV(A weight) |
| 频率响应 |
20Hz ~ 80kHz ：衰减< 2.9dB |
输出水平 |
2.8Vrms(1KHz@10kΩ) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 106dB （ A加权） |
| Performance and parameters of balanced line output (4.4mm output, USB DAC, OS mode, desktop mode) |
| THD+N |
<0.025%(1kHz/-6dB @ 10KΩ) |
SNR |
≥ 112dB （ A加权） |
| 串扰 |
≥ 108dB |
本底噪声 |
<15.6uV(A weight) |
| 频率响应 |
20Hz ~ 80kHz ：衰减< 2.9dB |
输出水平 |
6.5Vrms(1KHz@10kΩ) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 107dB （ A加权） |
| Performance and parameters of balanced line output (4.4mm output, USB DAC, OS mode) |
| THD+N |
<0.024%(1kHz/-6dB @ 10KΩ) |
SNR |
≥ 112dB （ A加权） |
| 串扰 |
≥ 108dB |
本底噪声 |
<13uV(A weight) |
| 频率响应 |
20Hz ~ 80kHz ：衰减< 2.9dB |
输出水平 |
5.4Vrms(1KHz@10kΩ) |
| 20Hz ~ 20KHz ：衰减< 0.2dB |
动态范围 |
≥ 107dB （ A加权） |
| Performance and parameters of line output (3.5mm output, CD, OS mode, desktop mode) |
| 输出功率 |
L+R≥575mW+575mW (16Ω,THD+N<1%,3.1Vrms) |
输出阻抗 |
< 1Ω |
| L+R≥315mW+315mW (32Ω,THD+N<1%,,3.2Vrms) |
串扰 |
≥ 72dB |
| L+R≥35mW+35mW (300Ω,THD+N<1%,3.3Vrms) |
峰值输出电压 |
9.5Vp-p |
| SNR |
≥ 110dB （ A加权） |
THD+N |
<0.028%(1kHz/0dB @ 32Ω) |
| 动态范围 |
≥ 94dB （ A加权） |
本底噪声 |
<9.7uV(A weight) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of line output (3.5mm output, CD, OS mode) |
| 输出功率 |
L+R≥405mW+405mW (16Ω,THD+N<1%,2.5Vrms) |
输出阻抗 |
< 1Ω |
| L+R≥220mW+220mW (32Ω,THD+N<1%,,2.7Vrms) |
串扰 |
≥ 72dB |
| L+R≥25mW+25mW (300Ω,THD+N<1%,2.8Vrms) |
峰值输出电压 |
7.9Vp-p |
| SNR |
≥ 109dB (A weight) |
THD+N |
<0.027%(1kHz/0dB @ 32Ω) |
| 动态范围 |
≥ 94dB （ A加权） |
本底噪声 |
<8.5uV(A weight) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of balanced headphone output (4.4mm output, CD, OS mode, desktop mode) |
| 输出功率 |
L+R≥480mW+480mW (16Ω,THD+N<1%,2.8Vrms) |
输出阻抗 |
< 1.5Ω |
| L+R≥1150mW+1150mW (32Ω,THD+N<1%,6.1Vrms) |
串扰 |
≥ 100dB |
| L+R≥145mW+145mW (300Ω,THD+N<1%,6.6Vrms) |
峰值输出电压 |
18.8Vp-p |
| SNR |
≥ 112dB （ A加权） |
THD+N |
<0.030%(1kHz/0dB @ 32Ω) |
| 动态范围 |
≥ 94dB （ A加权） |
本底噪声 |
<14uV(A-weighted) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of balanced headphone output (4.4mm output, CD, OS mode) |
| 输出功率 |
L+R≥490mW+490mW (16Ω,THD+N<1%,2.8Vrms) |
输出阻抗 |
< 1.5Ω |
| L+R≥810mW+810mW (32Ω,THD+N<1%,5.1Vrms) |
串扰 |
≥ 100dB |
| L+R≥100mW+100mW (300Ω,THD+N<1%,5.5Vrms) |
峰值输出电压 |
15.8Vp-p |
| SNR |
≥ 110dB （ A加权） |
THD+N |
<0.029%(1kHz/0dB @ 32Ω) |
| 动态范围 |
≥ 94dB （ A加权） |
本底噪声 |
<13.6uV(A weight) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of line output (3.5mm output, CD, OS mode, desktop mode) |
| THD+N |
<0.028%(1kHz/0dB @ 10KΩ) |
SNR |
≥ 110dB(A-weighted) |
| 串扰 |
≥ 100dB |
本底噪声 |
<9.6uV(A weight) |
| 动态范围 |
≥ 94dB （ A加权） |
输出水平 |
3.3Vrms(1KHz@10kΩ) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of line output (3.5mm output, CD, OS mode) |
| THD+N |
<0.027%(1kHz/0dB @ 10KΩ) |
SNR |
≥ 110dB(A-weighted) |
| 串扰 |
≥ 100dB |
本底噪声 |
<8.5uV(A weight) |
| 动态范围 |
≥ 94dB （ A加权） |
输出水平 |
2.8Vrms(1KHz@10kΩ) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of balanced line output (4.4mm output, CD, OS mode, desktop mode) |
| THD+N |
<0.029%(1kHz/0dB @ 10KΩ) |
SNR |
≥ 110dB （ A加权） |
| 串扰 |
≥ 104dB |
本底噪声 |
<18.4uV(A weight) |
| 动态范围 |
≥ 94dB （ A加权） |
输出水平 |
6.5Vrms(1KHz@10kΩ) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
| Performance and parameters of balanced line output (4.4mm output, CD, OS mode) |
| THD+N |
<0.029%(1kHz/0dB @ 10KΩ) |
SNR |
≥ 110dB （ A加权） |
| 串扰 |
≥ 104dB |
本底噪声 |
<15.8uV(A weight) |
| 动态范围 |
≥ 94dB （ A加权） |
输出水平 |
5.4Vrms(1KHz@10kΩ) |
| 频率响应 |
20Hz ~ 20KHz ：衰减< 1.5dB |
|
|
