SMSL DO300EX MQA DAC Headphone Amp리피어 프리amp리파이어 사용 설명서

1. 서론

The SMSL DO300EX is a versatile MQA DAC, Bluetooth 5.1 balanced headphone amp증폭기 및 사전amplifier designed for high-fidelity audio systems. It integrates advanced audio technologies to deliver exceptional sound performance across various input and output options.

This manual provides detailed instructions for setting up, operating, and maintaining your DO300EX to ensure optimal performance and longevity.

Figure 1: SMSL DO300EX MQA DAC Headphone Amp리피어 프리amp리모컨이 포함된 앰프.

2. 주요 특징

• Advanced DAC Chips: Equipped with AK4191+AK4499EX and XMOS XU-316 chips, supporting up to 32bit/768kHz PCM and DSD512.
• MQA & MQA-CD Decoding: Full support for MQA and MQA-CD audio signal decoding, restoring original studio sound quality.
• 다중 입력 : Features USB, optical, coaxial, and I2S inputs for broad compatibility with various audio sources.
• 다양한 출력: Offers 4.4mm and 6.35mm headphone outputs, alongside balanced XLR and RCA line outputs.
• 고품질 디스플레이: Suspended display window with tempered glass, full-laminated color IPS display, and DOP independent display function.
• 프리미엄 구성 요소: Constructed with chamfered high-grade aluminum, 9 high-end dual op amps, audiophile components, and a self-developed CK-03 clock processing circuit for reduced jitter.
• 블루투스 5.1 : Integrated Qualcomm Bluetooth 5.1 chip supporting LDAC 24bit/96kHz, APTX-HD, SBC, and AAC codecs.

그림 2: 이상view of the SMSL DO300EX highlighting its core features and technologies.

3. 설정 가이드

3.1 포장 풀기 및 초기 검사

Carefully remove the DO300EX from its packaging. Inspect the unit for any signs of damage. Ensure all accessories are present:

• SMSL DO300EX Unit
• AC 전원 케이블
• USB 케이블
• 원격 제어
• 블루투스 안테나
• 사용자 설명서
• 보증 카드

Figure 3: Included accessories for the SMSL DO300EX.

3.2 오디오 소스와 출력 연결

The DO300EX offers a wide range of input and output options. Refer to the diagram below for proper connection guidance.

Figure 4: Detailed diagram of the input and output ports on the SMSL DO300EX, illustrating connections to various audio devices.

• 입력: Connect your digital audio sources (PC, CD/DVD player, TV, other audio devices) to the USB, Optical, Coaxial, or I2S input ports. For Bluetooth, ensure the antenna is connected and pair your mobile device.
• 헤드폰 출력: Use the 4.4mm balanced or 6.35mm single-ended jacks on the front panel for headphones.
• 라인 출력 : 전원에 연결 amplifier or active speakers using the balanced XLR or unbalanced RCA outputs on the rear panel.
• 힘: Connect the AC power cable to the DC 12V input on the rear panel and then to a power outlet.

4. 사용 설명서

4.1 전면 패널 컨트롤

The front panel features a multi-functional knob and an IPS display for intuitive control and status monitoring.

• 다기능 손잡이: This knob controls volume, input selection, and menu settings. Rotate to adjust volume or navigate menus. Press to confirm selections or switch inputs.
• IPS 디스플레이: Shows current volume level, active input, sampling rate, and other operational parameters. Supports DOP independent display for decoding format.
• 헤드폰 잭: 4.4mm balanced and 6.35mm single-ended outputs for direct headphone connection.

Figure 5: Front panel design of the SMSL DO300EX, highlighting the display and multi-functional knob.

4.2 리모컨

함께 제공되는 리모컨을 사용하면 멀리서도 모든 기능을 편리하게 이용할 수 있습니다.

Figure 6: Layout of the full-function remote control for the SMSL DO300EX.

• 전원 켜기/끄기: 장치를 켜거나 끕니다.
• 볼륨 +/- : 출력 볼륨을 조정합니다.
• 입력 선택: 사용 가능한 입력 소스를 순환합니다.
• 메뉴/확인: 메뉴에 접근하여 선택 사항을 확인합니다.
• 무음: 오디오 출력을 음소거하거나 음소거 해제합니다.
• FN (메뉴에서 정의): 사용자 정의 가능한 기능 버튼.

4.3 MQA 재생

The DO300EX supports MQA and MQA-CD decoding. Ensure your audio source is providing a genuine MQA-CD signal and that the fiber optic or coaxial signal output by the CD player is unprocessed source code for optimal MQA experience.

Figure 7: MQA-CD decoding is supported via Coaxial and Optical inputs, ensuring high-quality audio playback.

5. 사양

Figure 8: Comprehensive product parameters and specifications for the SMSL DO300EX.

6. 유지관리

To ensure the longevity and optimal performance of your SMSL DO300EX, follow these maintenance guidelines:

• 청소: Use a soft, dry cloth to clean the exterior of the unit. Avoid using harsh chemicals or abrasive materials, which can damage the finish.
• 통풍: 과열을 방지하려면 통풍이 잘 되는 곳에 기기를 설치하세요. 환기구를 막지 마세요.
• 전원 끄기 : Always power off the unit and disconnect it from the power source before cleaning or when not in use for extended periods.
• 환경: 극한의 온도, 습도 또는 직사광선에 장치를 노출시키지 마십시오.

7. 문제 해결

If you encounter any issues with your DO300EX, please refer to the following common troubleshooting steps:

• 전원 없음:
  • 전원 케이블이 본체와 전원 콘센트에 제대로 연결되어 있는지 확인하십시오.
  • 전원 콘센트가 작동하는지 확인하세요.
• 사운드 출력 없음:
  • Verify that the correct input source is selected on the DO300EX.
  • Check all audio cable connections (USB, Optical, Coaxial, I2S, XLR, RCA, headphone jacks).
  • 볼륨이 음소거되어 있거나 너무 낮게 설정되어 있지 않은지 확인하세요.
  • Confirm that your connected headphones or speakers are working correctly.
• 왜곡된 소리:
  • 오디오 소스와 케이블의 품질을 확인하십시오.
  • s를 확인하십시오ampling rate settings on your source device match the capabilities of the DO300EX.
  • Reduce the volume level to check if distortion is due to overdriving.
• 블루투스 연결 문제:
  • 블루투스 안테나가 제대로 설치되었는지 확인하십시오.
  • Verify that Bluetooth is enabled on your source device and the DO300EX is in pairing mode.
  • 기기의 페어링을 해제한 후 다시 페어링해 보세요.

위 단계를 모두 수행한 후에도 문제가 지속되면 고객 지원팀에 문의하십시오.

8. 보증 및 지원

The SMSL DO300EX comes with a 12개월 보증 from the date of purchase. Additionally, the product can be returned within 30일 from the date of purchase if you are not satisfied.

For any questions or technical assistance, our customer service team provides 24시간 온라인 지원. Please feel free to contact us through the official channels provided with your product or on the manufacturer's web대지.

9. 제품 비디오

No official product videos specifically for the SMSL DO300EX were found from the seller in the provided data. The available videos are for a different product (Fosi Audio ZH3) and are therefore not included in this manual to maintain relevance and accuracy.