1. 서론
This manual provides detailed instructions for the installation, operation, and maintenance of the ZK-HT21-3G 2.1 Channel Bluetooth Audio Amp리퍼. 이것 amplifier is designed to deliver high-quality audio output for stereo speakers and a dedicated subwoofer, featuring Bluetooth connectivity, APP control, and TWS (True Wireless Stereo) support.
2. 안전 지침
- 전원 공급 장치 볼륨을 확인하십시오.tage 일치 amplifier's requirements to prevent damage.
- 기기를 물, 습기 또는 극한 온도에 노출시키지 마세요.
- 배치하지 마십시오 amp앰프를 직사광선이나 열원 근처에 두지 마십시오.
- 주변에 적절한 환기가 되도록 하십시오. amp과열을 방지하는 lifier.
- 제품을 분해하거나 개조하려고 시도하지 마십시오. amp수리 담당자. 모든 서비스는 자격을 갖춘 담당자에게 의뢰하세요.
- 어린이의 손이 닿지 않는 곳에 보관하세요.
3. 패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- ZK-HT21-3G Amp리퍼 보드
- Control Knobs (Volume, Treble, Bass, Subwoofer Frequency)
- Connecting Cables for Control Knobs
- 사용 설명서 (본 문서)
4. 제품 오버view
ZK-HT21-3G amplifier board integrates various components for audio processing and amplification. Key features include multiple input/output terminals and dedicated interfaces for external control knobs.
Image 1: ZK-HT21-3G Amplifier Board with Control Knobs. This image displays the main amplifier circuit board, featuring a central heatsink, various input/output terminals, and several connected cables leading to individual control knobs for audio adjustments.
The board includes terminals for power input, speaker outputs (left, right, subwoofer), and audio input. The external control knobs allow for precise adjustment of master volume, treble, bass, and subwoofer frequency cutoff.
5. 설정
5.1 스피커 연결하기
- 스테레오 스피커: Connect your left and right passive speakers to the designated L/R speaker output terminals on the amplifier board. Ensure correct polarity (+ to + and - to -).
- 서브 우퍼 : Connect your passive subwoofer to the dedicated subwoofer output terminal. Observe correct polarity.
5.2 Connecting Control Knobs
Connect the provided cables from the control knobs (Volume, Treble, Bass, Subwoofer Frequency) to their corresponding ports on the amplifier board. Ensure secure connections.
5.3 전원 연결하기
Connect a compatible DC power adapter (not included, refer to specifications for voltage and current requirements) to the power input terminal on the amplifier board. Ensure the power supply is off before connecting.
6. 사용 설명서
6.1 전원 켜기/끄기
After all connections are made, turn on the power supply. The amplifier will power on. To power off, disconnect the power supply.
6.2 블루투스 페어링
- 확인하십시오 amp리파이어의 전원이 켜져 있습니다.
- 모바일 기기에서 블루투스를 활성화하고 사용 가능한 기기를 검색하세요.
- Select "ZK-HT21-3G" (or similar name) from the list to pair. A confirmation sound may indicate successful pairing.
6.3 앱 제어
그만큼 amplifier supports control via a dedicated mobile application. Download the relevant application (details typically provided via QR code on packaging or product information) and follow the in-app instructions to connect and control the amp증폭기의 기능.
6.4 TWS 기능
그만큼 amplifier supports True Wireless Stereo (TWS) functionality, allowing two ZK-HT21-3G units to be paired together for a wider stereo soundstage. Refer to the APP or specific product documentation for TWS pairing instructions.
6.5 오디오 조정
- 용량: Use the Master Volume knob to adjust the overall sound level.
- 고음부: Use the Treble knob to adjust the high-frequency response.
- 베이스: Use the Bass knob to adjust the low-frequency response.
- 서브우퍼 주파수: Use the Subwoofer Frequency knob to set the crossover point for the subwoofer output.
7. 유지관리
- 청소: 부드럽고 건조한 천을 사용하여 청소하십시오. amp액체 세척제나 용제는 사용하지 마세요.
- 저장: 장기간 사용하지 않을 경우 보관하세요 amp직사광선을 피해 시원하고 건조한 곳에 보관하세요.
- 통풍: Ensure the heatsink and ventilation areas remain clear of dust and obstructions.
8. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 전원이 없습니다 | Incorrect power supply; Loose power connection | Verify power adapter specifications; Check power cable connection. |
| 사운드 출력이 없습니다 | Incorrect speaker wiring; No audio source; Low volume | Check speaker polarity and connections; Ensure audio source is playing; Increase master volume. |
| 블루투스 연결 문제 | 기기가 너무 멀리 떨어져 있음; 간섭 발생; Amplifier not in pairing mode | Move device closer; Reduce interference; Restart amplifier and try pairing again. |
| 왜곡된 소리 | Volume too high; Improper gain settings; Speaker impedance mismatch | Reduce volume; Adjust input gain (if available); Ensure speakers match amp앰프의 임피던스 범위. |
9. 사양
- 모델: ZK-HT21-3G
- 채널: 2.1 (좌, 우, 서브우퍼)
- 출력 전력: 160W x 2 (스테레오), 220W (서브우퍼)
- Amp리퍼 칩: TDA7498E
- 연결성: Bluetooth, APP Control, TWS Support
- 재료: 전자 부품, 금속
- 작동 온도: 기준
- 전원 입력: DC (Voltage and Current specifications typically found on product label or separate documentation)
10. 보증 및 지원
This product is designed for reliable performance. For any questions or concerns regarding the ZK-HT21-3G amplifier, please refer to the seller's support channels. A money-back guarantee may be offered, subject to the seller's terms and conditions.
