SMSL AL200 User Manual
High Resolution Power Amplifier
Safety Precautions
- Install the unit in a well-ventilated, cool, dry, clean location, away from direct sunlight, heat sources, vibration, dust, moisture, or cold.
- Use only the voltage specified for this unit. Using a higher voltage is dangerous and may cause fire, damage to the unit, or personal injury. The company is not responsible for any damage resulting from use with a voltage other than specified.
- Do not attempt to modify or repair the unit yourself. Contact a salesperson or customer service for any service needs. The cabinet should never be opened for any reason.
- If the unit will not be used for extended periods (e.g., during vacation), disconnect the power cable from the AC wall outlet.
Important Note: The product specifications and information in this manual are for reference only. Content is subject to change without notice.
Warranty Terms
- Service Period: Foshan Shuangmusanlin Technology Co., Ltd. promises good quality products. If the product malfunctions within 7 days of purchase under normal use, customers can choose return, replacement, or repair (return only if the product does not affect resale). Free repair is provided for one year under normal use.
- Date of Purchase: Determined by the invoice or receipt date from the seller. For online purchases, a transaction screenshot is acceptable.
- Warranty Void Conditions: The warranty is void under the following circumstances:
- All damages caused by inappropriate use, including use in non-normal working environments or failure to follow instructions.
- Private dismantling, refitting, or repairing by the user.
- Damage caused by using non-specified or unaccredited accessories.
- Inability to provide valid proof of purchase.
- The product is not manufactured by this company.
- Repair Method: Service is typically by sending the unit for repair. This clause applies to mainland China; other regions should refer to local distributor regulations and national laws.
Features
- German Infineon's new digital high-power amplifier chip offers higher quality, high efficiency, and low energy consumption.
- Uses Japan's JRC electronic volume control chip NJW1194 for accurate volume control and ultra-low distortion.
- Supports MQA decoding and MQA-CD.
- Features the new third-generation XMOS XU-316, supporting PCM up to 32bit/768kHz and DSD up to DSD512.
- Bluetooth 5.0 reception provides longer transmission distance and better sound quality.
- All aluminum alloy CNC precision-machined shell with anodizing and chamfering processes, offering exquisite workmanship and a delicate touch.
- User-friendly operating system is easy to understand, equipped with a full-featured remote control.
- Incorporates a large number of audiophile-grade audio components to enhance subjective listening experience.
- High-quality gold-plated input and output terminals.
- Includes comprehensive overheating and overcurrent protection circuits.
- Built-in high-quality, high-power audio special switching power supply.
Technical Specifications
Parameter | Specification |
---|---|
Input Interfaces | RCA, BT, USB, Optical, Coaxial |
THD+N | 0.003% |
SNR | 107dB |
Channel Separation | 98dB |
Input Sensitivity / Input Impedance | 280mV / 22kΩ |
Output Power (Stereo) | 165Wx2 (4Ω) / 85Wx2 (8Ω) |
USB Transmission | Asynchronous |
USB Compatibility | Windows 7 / 8 / 8.1 / 10 / 11, macOS, Linux |
MQA Decoder | USB |
MQA-CD Decoder | Optical / Coaxial |
Bit Depth (USB) | 1bit, 16~32bit |
Bit Depth (Optical / Coaxial) | 1bit, 16~24bit |
Sampling Rate (USB PCM) | 44.1~384kHz |
Sampling Rate (USB DSD) | 2.8224~5.6448MHz |
Sampling Rate (Optical / Coaxial PCM) | 44.1~192kHz |
Sampling Rate (Optical / Coaxial DSD) | DSD64 (DoP) |
Power Consumption | 40W (normal volume) |
Dimensions (WxHxD) | 210.5 x 41 x 198 mm |
Weight | 1.78kg / 3.92lbs |
SMSL reserves the right to make improvements which may result in specification or feature changes without notice.
Remote Control
Installation: Install 2 x AAA batteries as instructed.
Usage:
- Point the remote control towards the signal receiver on the main unit from a distance of 5 meters (16 ft) or less. Do not place obstructions between the unit and the remote.
- The remote control may not function if the receiver is exposed to direct sunlight or bright light. Try moving the unit in such cases.
- Be aware that using this remote control might cause unintentional operation of other devices controlled by infrared signals.
Operating the Remote Control:
- Power ON/OFF ⏻
- Up ↑
- MENU/OK
- Next level menu
- Return ←
- Down ↓
- Input select
- Mute ?
- FN
- Volume +
- Volume -
Note: This remote controller uses 2 x R03/AAA batteries.
Display Interface and Operation
Startup Display: Upon startup, the display shows "200", indicating the AL200 model.
Input Switching Display: When switching inputs, the display shows:
- OPTICAL (Optical Input)
- COAXIAL (Coaxial Input)
- BT (Bluetooth Input)
- USB (Computer Input)
- LINE (Line Input)
Output Switching Display: When switching outputs, the display shows:
- HP (Headphone Output)
- SP (Speaker Output / Line Output)
8 EQ Menus:
- E1: Direct (Direct Pass)
- E2: SDB (SMSL patented sound effect)
- E3: Super Bass (Enhanced Bass Sound Effect)
- E4: Soft (Gentle Sound Effect)
- E5: Tone (Customizable)
- E6: Bass (Bass Boost Sound Effect)
- E7: Rock (Rock Sound Effect)
- E8: Clear (Clear Sound Effect)
Treble Adjustment: Display shows [value] indicating -9dB to +9dB.
Bass Adjustment: Display shows [value] indicating -9dB to +9dB.
Brightness Adjustment: 3 levels: b1, b2, b3.
Volume Display: Shows volume from 00 to 60. Volume blinks when muted.
Operating Instructions
Entering Menu:
- Short press the MENU button to enter different options. Rotate the knob to select, then long-press MENU to exit.
- Use the remote control to enter the menu and make a selection.
LINE IN Usage: Connect analog RCA signals to LINE IN. The AL200 will select the corresponding input for music playback.
USB Usage:
- Connect the computer using the provided USB cable.
- Select USB mode on the AL200.
- In the computer's sound settings, select "USB AUDIO" as the output device.
- It is recommended to set the computer's volume to maximum for optimal audio output.
Bluetooth (BT) Usage:
- Select the "bt" input.
- Turn on Bluetooth on your mobile phone.
- Search for "SMSL AL200" and connect.
- Play music on your phone.
- It is recommended to set the mobile phone's volume to maximum.
Turning Off Screen Display:
- While the unit is on, short press the "FN" button on the remote control to turn off the screen display.
- Short press the "FN" button again to restore the screen display.
About MQA
MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording. The MQA file is fully authenticated and small enough for streaming or download. The AL200 features MQA technology, enabling playback of MQA audio files and streams, reproducing the sound of the original master recording.
For more information, visit: https://www.mqa.co.uk/how-it-works
How to Play MQA
- The AL200 supports MQA decoding via USB, optical fiber, coaxial, and AES/EBU connections.
- MQA playback on the AL200 does not require special software. Players like foobar2000 or Audirvanaplus only need to support ASIO or WASAPI audio output.
- When playing MQA audio, it is best to set the computer's volume to maximum for optimal audio output.
- When playing an MQA file, the display shows the sampling rate of the original master recording.
MQA and the Sound Wave Device are registered trademarks of MQA Limited. © 2016
Notes on Playing MQA-CD
- Ensure that the disc being played is a genuine MQA-CD.
- Verify that the optical or coaxial signal output from the CD player is unprocessed source code.