SMSL SP200 User manual

佛山双木三林科技有限公司

美国THX公司的THXAAA-888耳机放大电路,并取得THX认证和授权 ;
超紧凑设计，非常适合桌面耳机系统 ;
经典复古拨动开关操作 ;
平衡立体声耳机输出 ;
平衡立体声线路输入 ;
高精度低温漂电阻,以适应温度变化 ;
高品质继电器和无冲击声设计 ;
精选的高精度低失真音量电位器 ;
16欧姆输出功率达6W，32欧时达到3W，并且此时维持最低失真度 ;
0.1 Hz至500 kHz（-3dB）频率响应 ;
高低两档可切换增益控制 ;
耳机放大器具有DC，过压，过流，短路和热保护的全面保护 ;
高效超低噪声电源 。
产品介绍
经THX公司许可制造。THX和THX商标已经在美国和其他司法管辖区
注册。版权所有。

音频部分:
输入方式: 平衡 x1, 非平衡 x1
输出方式: 平衡 x1, 非平衡 x1
输出功率:
6W x 2 (16 Ω)
3W x 2 (32 Ω)
440mW x 2 (300 Ω)
220mW x 2 (600 Ω)
信噪比: 130dB, A-Weighted
剩余噪音: 2.8uV, A-Weighted
THD+N: -122dB, 0.00007% (1kHz , 32 Ω)
THD+N: -117dB, 0.00013% (20-20kHz , 32 Ω, -3dB)
THD: -125dB, 0.00006% ( 1 kHz, 16 Ω, -3dB )
输出抗阻: 接近 0 Ω
频率响应: 0.1Hz - 500kHz(-3dB)
增益： 低(+6dB), 高(+18dB)
其他:
电源电压/电源频率: AC100-240V, 50-60 Hz
能量功耗(EN60065): 24 W
待机功率: <0.1W
尺寸: 160x149x73(mm)
包装尺寸: 256x195x74(mm)
重量: 772g
规格参数

接口介绍
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2
3
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8
9
10
平衡耳机插座
6.35mm耳机插口
电源指示灯
电源开关
输入选择
增益选择
音量控制
RCA输入
AC电源输入接口
XLR平衡输入
佛山双木三林科技有限公司
地址：广东省佛山市顺德区杏坛镇二环路智富园工业城14栋205
电话：[phone]
http://www.smsl-audio.com/
注:
1.连接耳机前请调小音量, 以免音量过大损坏耳机;
2.连接耳机前请关闭电源再,否则会触发耳机保护电路;
3.根据健康专家的建议,请勿长时间聆听耳机以免影响听力.
4.本产品使用带接地的IEC电源插座, 请确保电源线接地良好, 防止意外触电!
1
5
2 3 4 5 6 7
8 9
10
+ HOT
- COLD
GND
R -
L -R +
L +

Foshan Shuangmusanlin Technology Co., Ltd.

THXAAA-888 Headphone Amplifier with THX AAA Technology；
Ultra-Compact Design, Perfect for Desktop Systems；
Classic Toggle Switch for Operaon；
Balanced Stereo Headphone Output ；
Balanced Stereo Line Input；
High Precision Resistors for Temperature Stability ；
Pop-less Design with High-Quality Relays；
Selected High Precision Low-Distoron Volume Potenometer；
6 Was into 16 Ohm, 3 Was into 32 Ohm Headphones with lowest
THD+N ；
0.1 Hz to 500 kHz(-3dB) Frequency Response ；
2 Posions Switchable Gain Control ；
Fully Protecon with DC, Over-Voltage, Over-Current, Short-Circuit and
Thermal Protecon on Headphone Amplifier ；
High-Efficiency Ultra-Low-Noise Power Supply .
Features
Manufactured under license from THX Ltd. THX and the THX logo are
registered in the U.S. and other jurisdicons. All rights reserved.

Audio Secon:
Inputs: Balanced x1, Unbalanced x1
Outputs: Balanced x1, Unbalanced x1
Output Power:
6W x 2 (16 Ω)
3W x 2 (32 Ω)
440mW x 2 (300 Ω)
220mW x 2 (600 Ω)
SNR: 130dB, A-Weighted
Output Noise: 2.8uV, A-Weighted
THD+N: -122dB, 0.00007% (1kHz, 32 Ω)
THD+N: -117dB, 0.00013% (20-20kHz , 32 Ω, -3dB)
THD: -125dB, 0.00006% (1 kHz, 16 Ω, -3dB,)
Output Impedance: Near 0 Ω
Frequency Response: 0.1Hz - 500kHz(-3dB)
Gain: Low(+6dB), High(+18dB)
General Secon:
Power supply voltage/frequency: AC100-240V, 50-60 Hz
Power consumpon(EN60065): 24 W
Power consumpon in standby mode: <0.1W
Size: 160x149x73(mm)
Packing size: 256x195x74(mm)
Weight: 772g
specificaon

Parts Name
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5
2 3 4 5 6 7
8 9
10
1
2
3
4
5
6
7
8
9
10
Balanced headphone jack
6.35mm headphone jack
Power indicator
Power switch
Input switch
Gain switch
Volume control
RCA input
Power AC input
XLR input
Foshan Shuangmusanlin Technology Co., Ltd.
Address: Rm205, 14th Building, Zhifu Industrial Park, Erhuan Rd , Xingtan,
Shunde, Foshan, Guangdong, CN
Tel: [phone]
hp://www.smsl-audio.com/
Note:
Please turn down the volume before connecng the headphones to avoid
excessive volume damage to the headset.
Please turn off the power before connecng the headphones, otherwise
the headphones protecon circuit will be triggered;
According to the advice of health experts, do not listen to the headphones
for a long me so as not affect your hearing.
The product uses an IEC power socket with grounding. Please ensure that
the power cord is well grounded to prevent accidental electric shock!
+ HOT
- COLD
GND
R -
L -R +
L +