1. 제품 오버view
The S278 is a versatile and compact voice amplifier designed to enhance vocal projection in various settings. With its 15-watt output, it can effectively amplify your voice for audiences of 20 to 65 people, protecting your vocal cords from strain. Beyond voice amplification, it functions as a multi-source music player, supporting Bluetooth, TF card, USB flash disk, and AUX input. It also includes an FM radio and recording capabilities, making it an all-in-one portable audio solution.
Figure 1.1: S278 Mini Voice Amplifier with included headset microphone and cables.
Video 1.1: Official product video demonstrating the features and components of the S278 Voice Amp리퍼.
2. 패키지 내용
다음 품목이 패키지에 포함되어 있는지 확인하세요.
- 1 x S278 Voice AmpLIFIER 단위
- 유선 헤드셋 마이크 1개
- 1 x Adjustable Waist/Neck Band
- 1 x USB 충전 케이블
- 1 x AUX 케이블
- 1 x 사용자 설명서
Figure 2.1: All items included in the S278 Voice Amp증폭기 패키지.
3. 설정
3.1 초기 충전
처음 사용하기 전에 음성 인식 기능을 완전히 충전하십시오. amplifier. Connect the included USB charging cable to the amplifier's charging port and a compatible USB power source (e.g., computer USB port, USB wall adapter). The charging time is approximately 3-5 hours for a full charge.
Figure 3.1: The S278 amplifier displaying battery charge and indicating charging status.
3.2 Connecting the Headset Microphone
Insert the 3.5mm plug of the wired headset microphone into the MIC input port on the amplifier. Position the microphone near your mouth for optimal voice pickup. The headset is designed for comfort and secure fit.
3.3 착용하기 Amp리퍼
Attach the adjustable waist/neck band to the amplifier's loops. You can wear the amplifier around your waist, over your shoulder, or around your neck for hands-free operation. Adjust the strap length for a comfortable and secure fit.
Figure 3.2: Various wearing options for the S278 amplifier using the adjustable band.
4. 사용 설명서
4.1 전원 켜기/끄기 및 볼륨 제어
To power on the device, rotate the volume knob clockwise until the display lights up. To power off, rotate the volume knob counter-clockwise until it clicks off. Adjust the volume by rotating the same knob.
4.2 음성 Amp합화 모드
Once the headset microphone is connected and the device is powered on, your voice will be amplified through the speaker. Ensure the microphone is positioned correctly to avoid feedback. The 15W output is designed for clear voice projection.
Figure 4.1: The S278 amplifier in use, demonstrating clear voice amplification for an audience.
4.3 블루투스 모드
- 켜다 amp리퍼.
- Press the 'M' (Mode) button until 'BLUE' appears on the display.
- 기기(예: 스마트폰, 태블릿)에서 Bluetooth를 활성화하고 'S278'을 검색하세요.
- Select 'S278' to pair. Once paired, you can stream audio wirelessly.
4.4 FM 라디오 모드
- 'M' (모드) 버튼을 눌러 FM 라디오 모드로 전환하세요.
- 수신 감도를 높이려면 안테나를 펼치세요.
- Use the 'Previous' and 'Next' buttons to scan for stations.
4.5 MP3 Playback (TF Card/USB Disk)
Insert a TF card or USB flash disk containing MP3 audio file해당 슬롯에 s를 넣습니다. amplifier will automatically switch to MP3 playback mode. Use the play/pause, previous, and next buttons to control playback.
4.6 녹음 기능
In voice amplification mode, press the record button (usually indicated by a red dot or 'REC') to start recording. Press it again to stop. Recordings are typically saved to the inserted TF card or USB disk.
Figure 4.2: The S278 amp리퍼 캔 amplify voice and play music concurrently, suitable for various activities.
5. 유지관리
5.1 충전 중
The S278 features a built-in rechargeable Lithium Polymer battery. When the battery indicator is low, connect the USB charging cable to recharge. A full charge takes approximately 3-5 hours and provides up to 12 hours of continuous use.
5.2 청소
닦아내다 amplifier and headset with a soft, dry cloth. Do not use liquid cleaners or abrasive materials. Keep the device free from dust and moisture.
5.3 보관
저장하다 amplifier in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge the battery periodically to maintain its health.
6. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 스피커에서 소리가 나지 않음 | Device is off; Volume is too low; Microphone not connected or faulty; Battery is drained. | Turn on the device; Increase volume; Ensure microphone is securely plugged in; Charge the battery. |
| Feedback/Squealing sound | Microphone too close to speaker; Volume too high; Microphone pointing directly at speaker. | Increase distance between microphone and speaker; Lower volume; Adjust microphone position away from speaker. |
| 블루투스 페어링 실패 | Device not in Bluetooth mode; Amplifier too far from pairing device; Bluetooth not enabled on pairing device. | 스위치 amplifier to Bluetooth mode; Move devices closer; Enable Bluetooth on your device. |
| FM 라디오 잡음/수신 불량 | Antenna not extended; Weak signal in current location. | Fully extend the antenna; Try moving to a different location for better signal. |
7. 사양
- 모델: S278
- 출력 와트tage: 15 와트
- 치수(길이 x 너비 x 높이): 4.5 x 3.5 x 1.3 인치
- 무게: 0.44파운드(7.04온스)
- 전원: 배터리 구동식 (리튬 폴리머 배터리 1개 포함)
- 배터리 수명: Up to 12 hours (voice amp화)
- 충전 시간: 3-5시간
- 연결성: 블루투스, AUX(3.5mm), USB, TF 카드
- 오디오 입력: 3.5mm wired headset microphone
- 재료: 아크릴로니트릴 부타디엔 스티렌(ABS)
- 색상: 검은색
- 제조업체: SHIDU
- 추천 용도: Teaching, announcements, music playback, tour guiding, fitness instruction
Figure 7.1: The compact size and lightweight nature of the S278 amp리퍼.
8. 보증 및 지원
HW HAOWORKS is committed to providing quality products and excellent service. This product comes with lifetime technical support. If you encounter any problems or have questions regarding your S278 Voice Amplifier, please contact HW HAOWORKS customer service for assistance.
For more information and support, you may visit the official HW HAOWORKS store: HW HAOWORKS 스토어





