1. 서론
The SMSL AO200 is a high-performance digital power amplifier designed for desktop HiFi audio systems. It features dual Infineon MA12070 amplifier chips, delivering powerful and clear audio output. With multiple input options including USB, Bluetooth, XLR, and RCA, it offers versatile connectivity for various audio sources. The amplifier also includes a remote control for convenient operation and supports both subwoofer and passive speaker outputs.
2. 안전 지침
- 장치를 분해하지 마십시오. 모든 정비는 자격을 갖춘 기술자에게 맡기십시오.
- 본 제품을 비나 습기에 노출시키지 마십시오.
- 장치를 열원 근처나 직사광선에 노출시키지 마십시오.
- 과열을 방지하려면 장치 주변에 적절한 환기가 이루어지도록 하십시오.
- 지정된 전원 어댑터와 케이블만 사용하세요.
- 장치를 강한 자기장으로부터 멀리 두십시오.
3. 패키지 내용
패키지를 개봉하시면 모든 품목이 들어 있고 상태가 양호한지 확인하십시오. 표준 패키지 구성품은 다음과 같습니다.
- SMSL AO200 Digital Power AmpLIFIER 단위
- 원격 제어
- USB 케이블
- 블루투스 안테나
- 전원 케이블
- 사용자 설명서
비디오 설명: This video demonstrates the unboxing of the SMSL AO200 Digital Power Amp리파이어, 쇼크asing the main unit, remote control, USB cable, Bluetooth antenna, and power cable included in the package.
4. 제품 오버view
4.1 전면 패널

이미지 설명: 정면 view of the SMSL AO200 Digital Power Amplifier, displaying the brand logo 'S.M.S.L', model 'AO200', a central rotary knob, a color display screen, and a remote control placed next to it.
- 손잡이: Multi-function rotary knob for volume control and menu navigation.
- 표시하다: Color screen showing current input, volume level, and other settings.
- 원격 창: 리모콘용 적외선 수신기.
4.2 후면 패널

이미지 설명: 자세한 view of the rear panel of the SMSL AO200 amplifier, with labels indicating the XLR Balanced Input (Left/Right), RCA Input (Left/Right), SW Output, USB Input, Bluetooth Antenna port, Speaker Outputs (Left/Right), Power Input, and Power Switch.
- XLR Balanced Input (Left/Right): For connecting balanced audio sources.
- RCA Input (Left/Right): For connecting unbalanced audio sources.
- SW Output: 서브우퍼 출력.
- USB 입력 : 컴퓨터나 다른 USB 오디오 소스에 연결합니다.
- 블루투스 안테나: 동봉된 블루투스 안테나용 커넥터입니다.
- 스피커 출력(좌/우): 패시브 스피커 연결용 바인딩 포스트.
- 전원 입력: AC power inlet (100-240V).
- 전원 스위치: Main power toggle switch.
5. 설정
5.1 초기 연결
- 전원 케이블을 연결하세요 amplifier's power input and then to a suitable AC outlet.
- Install the Bluetooth antenna by screwing it into the designated port on the rear panel.
- Turn on the power switch on the rear panel. The AO200 will start automatically.
5.2 입력 연결
- USB 입력 : Connect a USB-A cable from your computer or audio source to the USB input port on the amp리퍼.
- RCA 입력: Connect RCA cables from your audio source (e.g., CD player, DAC) to the RCA input ports (Left/Right).
- XLR 밸런스 입력: Connect XLR cables from your balanced audio source to the XLR input ports (Left/Right).
5.3 출력 연결
- 스피커: Connect your passive speakers to the speaker output binding posts (Left/Right). Ensure correct polarity (+ to + and - to -).
- 서브 우퍼 : If using an active subwoofer, connect it to the SW Output port.
비디오 설명: This video illustrates the connection process for the SMSL AO200 amplifier, including connecting the power cable, Bluetooth antenna, USB-A input, RCA input, and XLR balanced input. It also highlights the subwoofer and speaker output modes.
6. 사용 설명서
6.1 전원 켜기/끄기
Press the power button on the remote control or the main power switch on the rear panel to turn the unit on or off.
6.2 입력 선택
Use the remote control or the multi-function knob to navigate the menu and select your desired input source (USB, Balanced, Unbalanced, Bluetooth).
6.3 볼륨 조절
Rotate the multi-function knob on the front panel or use the volume up/down buttons on the remote control to adjust the audio volume.
6.4 EQ 설정
The AO200 features 8 EQ modes to tailor the sound to your preference. Access the EQ settings through the menu using the multi-function knob or remote control. Available modes include: Direct, Tone, SDB (SMSL patent), Bass, Super Bass, Rock, Soft, and Clear.
비디오 설명: This video demonstrates the use of the remote control for the SMSL AO200 amplifier, including power on/off, muting, volume adjustment, and navigating the input selection menu to choose between USB, Balanced, Unbalanced, and Bluetooth inputs.
7. 특징 및 기술
7.1 고급 Amp화
- Dual Infineon MA12070 Chips: Utilizes two German Infineon MA12070 Class D power amplifier chips for high quality, high efficiency (up to 92%), and reduced power consumption.
- 높은 출력 전력: Capable of delivering 150W x 2 into 2Ω, 90W x 2 into 4Ω, and 50W x 2 into 8Ω.

이미지 설명: SMSL AO200 amplifier is shown next to a bookshelf speaker, illustrating its capability to drive speakers with a maximum output power of 150W+150W.
7.2 내부 구성 요소
- Volume Control Chip NJW1194: Features NJRC's electronic volume control chip NJW1194 for precise volume control and low distortion.
- High Performance OP Amp정수기: Ensures optimal signal processing.
- ERO Audio Cap & Low Noise MELF Resistors: High-quality components for superior audio performance.

이미지 설명: 클로즈업 view of the internal circuit board of the SMSL AO200, highlighting the NJW1194 volume control chip, high performance OP amplifier, ERO audio capacitors, and low noise MELF resistors.
7.3 전원 관리
- Customized Power Module: Provides instantaneous power up to 300W, contributing to excellent sound dynamics and reduced electromagnetic interference.
- 2-에스tage Power Input Filtering: Enhances power stability and reduces noise.
- Large-Frame Low-Leakage Switching Power Supply Transformer: Ensures efficient and stable power delivery.

이미지 설명: 자세한 view of the internal power module of the SMSL AO200, showcasing the customized power module, 2-stage power input filtering, and the large-frame low-leakage switching power supply transformer.
7.4 연결성
- 블루투스 5.0 : 호환되는 기기에서 무선 오디오 스트리밍을 지원합니다.
- 다중 입력 : USB, Balanced XLR, Unbalanced RCA, and Bluetooth for diverse source connectivity.

이미지 설명: SMSL AO200 amplifier is shown with icons highlighting its key features: Bluetooth 5.0, dual Infineon MA12070 chips, and 2.1 system amplifier capability.
8. 사양

이미지 설명: A table detailing the specifications of the SMSL AO200 amplifier, including product model, inputs, THD+N, SNR, channel separation, input sensitivity/impedance, output power, power consumption, standby power, size, and weight.
| 사양 | 값 |
|---|---|
| 제품 모델 | AO200 |
| 입력 | XLR, RCA, BT, USB |
| 총 고조파 왜곡률 + N | 0.003% |
| 신호대잡음비 | 110데시벨 |
| 채널 분리 | 98데시벨 |
| Input Sensitivity/Input Impedance | 280mV/47kΩ |
| 출력 전력 | 150W x 2 (2Ω) / 90W x 2 (4Ω) / 50W x 2 (8Ω) |
| 전력 소비 | 40W (일반 음량) |
| 대기 전력 | 0.5와트 |
| 크기 (WxHxD) | 210 x 40 x 170mm |
| 무게 | 0.96kg |
| 제품 치수 | 7.38 x 1.57 x 6.06인치; 4.61파운드 |
| 권tage | 110 볼트 |
| 장착 유형 | 테이블탑 |
9. 유지관리
- 부드럽고 마른 천으로 제품을 닦으십시오. 액체 세척제나 스프레이형 세척제는 사용하지 마십시오.
- 모든 연결부가 단단히 고정되어 있고 먼지가 없는지 확인하십시오.
- 장기간 사용하지 않을 때에는 시원하고 건조한 곳에 보관하세요.
10. 문제 해결
- 전원 없음: Check if the power cable is securely connected and the power switch is in the 'ON' position. Verify the power outlet is functional.
- 소리 없음: Ensure the correct input source is selected. Check all audio cable connections. Verify speaker connections and polarity. Adjust the volume level.
- Distorted Sound / Static at High Volume: Reduce the volume level. Check for loose connections or damaged cables. Ensure the audio source is not overdriving the input.
- 블루투스 연결 문제: Ensure the Bluetooth antenna is properly installed. Verify the amplifier is in Bluetooth input mode. Disconnect and reconnect the Bluetooth device.
- 원격 제어가 작동하지 않음: Check the remote control batteries. Ensure there are no obstructions between the remote and the amplifier's remote window.
11. 보증 및 지원
For warranty information and technical support, please refer to the official AOSHIDA web사이트를 방문하거나 고객 서비스에 직접 문의하세요. 보증 청구를 위해 구매 증빙 자료로 구매 영수증을 보관하세요.