XY-S350H 2.1聲道藍牙電源 Amp升壓板

一、簡介

Thank you for choosing the AUGUESLD XY-S350H 2.1 Channel Bluetooth Power Amplifier Board. This high-fidelity audio amplifier utilizes two TPA3251 chips, delivering a powerful output of 220W for each stereo channel and 350W for the subwoofer channel. It supports a wide voltage input range of 18V-36V and offers versatile audio input options including Bluetooth, AUX, USB flash disk, and USB sound card. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

2. 安全訊息

操作前請閱讀並瞭解所有安全說明。 amplifier board. Failure to do so may result in injury or damage to the device.

• 電源供應： 確保輸入量tage is within the specified range of 18V-36V DC. Using an incorrect voltag可能會損壞電路板。
• 通風： 確保周圍通風良好 amplifier board to prevent overheating. The integrated fan and heatsink require proper airflow.
• 連接： Always power off the device before making or changing any connections (speakers, power, audio input).
• 短路： Avoid short circuits between terminals. Ensure all wiring is secure and insulated.
• 環境： Do not expose the device to water, moisture, or extreme temperatures. Operate in a clean, dry environment.
• 保護特性： The XY-S350H includes multiple protection mechanisms such as short circuit protection, undervoltage 保護，過載tage protection, and clipping protection. While these features enhance safety, proper operation is still crucial.

3. 包裝內容

確認包裹內所有物品齊全：

• XY-S350H Bluetooth Amplifier Board x1
• Protective Shell Set x1
• 螺絲刀x1
• 旋鈕 x5
• 使用者手冊x1

Image: Contents of the XY-S350H package. This image displays the amplifier board, a set of protective casing components, a small screwdriver, and five control knobs, illustrating what is included in the product box.

4. 產品結束view

Familiarize yourself with the various components and controls of the XY-S350H amp升壓板。

Image: Labeled diagram of the XY-S350H amplifier board. This diagram highlights key connection points and controls, including the DC socket, R&L speaker outputs, subwoofer output, USB Flash Disk port, 3.5mm AUX Input, and the various control knobs for subwoofer frequency, subwoofer volume, master volume, R&L treble, and R&L bass.

控制和連接埠：

• DC Socket (5.5mm*2.1mm): Power input (12-36V DC).
• R&L Speaker Outputs: Connect your right and left channel speakers.
• 低音炮輸出： Connect your subwoofer.
• USB 閃存盤： 用於播放音訊 files 直接從 USB 驅動器。
• 3.5 毫米輔助輸入： For connecting external audio sources via a 3.5mm audio cable.
• Subwoofer Frequency Knob: 調整重低音輸出的截止頻率。
• 重低音音量旋鈕： Controls the volume level of the subwoofer.
• 主音量旋鈕： Controls the overall volume. Short press for pause/play, long press for power on/off.
• R&L Treble Knob: Adjusts the high-frequency response for the right and left channels.
• R&L Bass Knob: Adjusts the low-frequency response for the right and left channels.

5. 設定

5.1 電源連接

Connect a DC power adapter (18V-36V, above 10A recommended) to the DC socket. Ensure the polarity is correct if wiring directly. The amplifier requires a minimum of 18V to function.

Image: A warning graphic emphasizing that the amplifier requires an input voltage of ABOVE 18V to operate correctly. This is a critical setup requirement.

5.2 音箱連接

Connect your speakers to the appropriate terminals:

• Left and Right Channel Speakers: Connect 3-8Ω full-range speakers with a power rating of 20W-300W.
• 低音炮： Connect a 2-8Ω subwoofer with a power rating of 50W-350W. For optimal performance, a subwoofer with a frequency range of 20Hz-200Hz is recommended.

Note on Impedance: If connecting multiple speakers in parallel, ensure the combined impedance for the left and right channels remains above 3Ω, and for the subwoofer, above 2Ω. Incorrect impedance can trigger overcurrent protection.

5.3 音訊輸入連接

The XY-S350H supports multiple audio input methods:

• 藍牙： Power on the device, enable Bluetooth on your source device (e.g., smartphone), and select "XY-S350H" from the list of available devices to pair.
• 輔助輸入： Connect an audio source (e.g., CD player, computer) to the 3.5mm AUX input jack using a 3.5mm audio cable.
• USB Flash Disk/USB Sound Card: 插入帶有音頻的 USB 閃存驅動器 files into the USB port, or connect a device that functions as a USB sound card.

6. 操作說明

6.1 電源開關

打開或關閉電源 amplifier board, long press the Master Volume knob.

6.2 音量和音調控制

Adjust the sound output using the following knobs:

• 主音量： Rotate to adjust the overall output volume.
• R&L Treble: Rotate to increase or decrease the high-frequency response of the main stereo channels.
• R&L Bass: Rotate to increase or decrease the low-frequency response of the main stereo channels.
• 重低音音量： Rotate to adjust the volume level of the subwoofer independently.
• 低音炮頻率： Rotate to set the crossover frequency for the subwoofer, determining which low frequencies are sent to the subwoofer.

6.3 Bluetooth Operation and APP Control

The XY-S350H supports Bluetooth 5.1 for wireless audio streaming and can be controlled via a dedicated mobile application.

Image: A smartphone displaying the Bluetooth control application interface. The app allows users to modify the Bluetooth name, set a connection password, and turn on/off prompt tones, providing enhanced control over the amplifier's Bluetooth functionality.

Using the APP, you can:

• Modify the Bluetooth name of the amp擴音器。
• Set a connection password for enhanced security.
• Customize or disable prompt tones.

Image: A graphic demonstrating how the mobile application resolves common issues such as confusing Bluetooth names or signal hijacking. It shows multiple amplifier units and how the app allows easy customization of Bluetooth names and passwords for clear identification and secure connections.

6.4 其他音訊輸入

When using AUX or USB inputs, ensure no Bluetooth device is actively connected, as the amplifier prioritizes Bluetooth when available.

7、維護保養

Proper maintenance ensures the longevity and performance of your amp升壓板。

• 打掃： Use a soft, dry cloth to clean the surface of the board. Do not use liquid cleaners or solvents.
• 除塵： Periodically inspect for dust accumulation, especially around the heatsink and fan. Use compressed air to gently remove dust.
• 通風： 確保 amplifier is always operated in a well-ventilated area. Do not block the air vents or fan.
• 貯存： 長時間不使用時，請存放好 amp將電暖器放置在陰涼乾燥處，避免陽光直射和極端溫度。

圖片：特寫 view 的 amplifier's air cooling system. This image highlights the large-area aluminum alloy special-shaped heatsink and the fan, with blue arrows indicating the direction of airflow, demonstrating how the system reduces temperature and ensures full power operation.

8。 故障排除

If you encounter issues with your XY-S350H amplifier board, refer to the table below for common problems and solutions.

如果嘗試這些解決方案後問題仍然存在，請參閱保固和支援部分以獲得進一步的協助。

9. 規格

Detailed technical specifications for the XY-S350H amp功放板：

Image: A technical diagram illustrating the precise dimensions of the XY-S350H amplifier board, including length, width, and height measurements in both inches and centimeters.

10. 保固和支持

AUGUESLD is committed to customer satisfaction. If you have any questions about the product, or if you experience any quality-related issues, please do not hesitate to contact our customer service team. We offer 7*24 hours after-sales service to provide you with a satisfactory resolution.

Please refer to your purchase platform or product packaging for specific warranty terms and contact information.