導入
This manual provides detailed instructions for the setup, operation, and maintenance of your eppfun AK818 LE Wireless Audio Receiver. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize your user experience.
製品終了view
The eppfun AK818 is a versatile LE Audio wireless audio receiver and transmitter, designed to provide high-quality, low-latency audio transmission. It supports Bluetooth 5.4 and Auracast broadcasting, allowing for flexible audio setups.
主な特徴:
- LEオーディオサポート: Balances low latency (20ms) and high sound quality (24bit/96kHz), ideal for music and gaming.
- Auracast ブロードキャストモード: Supports one transmitter and multiple (N) receivers, extending range up to 20 meters.
- マルチモード入力: Features auxiliary (AUX) and USB-C audio input for broad compatibility.
- デバイスのアップグレード: Transforms wired headphones or speakers into LE Audio compatible devices.
- 長いバッテリー寿命: Integrated batteries provide up to 12 hours of operation for both transmitter and receiver.
- 簡単操作: Automatic connection upon startup with volume control and LED indicators.
コンポーネント:
The eppfun AK818 package typically includes:
- eppfun AK818 Transmitter/Receiver Unit
- USB-C充電ケーブル
- 3.5mmオーディオケーブル(AUX)
- ユーザーマニュアル(このドキュメント)
設定
デバイスの充電:
Before initial use, fully charge the AK818 unit using the provided USB-C cable. Connect the USB-C end to the device and the other end to a standard USB power adapter (not included) or a computer USB port. The LED indicator will show charging status.
Transmitter Mode Setup (USB-C Input):
This mode allows you to transmit audio from devices with a USB-C output (e.g., PC, PS5, game consoles) to Bluetooth-enabled headphones or speakers.
- Connect the AK818 transmitter to your audio source (PC, PS5, game console) via the USB-C port.
- Power on the AK818. It will automatically enter pairing mode or connect to previously paired receivers.
- Bluetooth ヘッドフォンまたはスピーカーがペアリング モードになっていることを確認します。
- The AK818 will automatically search for and connect to nearby Bluetooth audio receivers.
- Adjust volume using the +/- buttons on the AK818 or your receiving device.

Transmitter Mode Setup (AUX Input):
Use this mode to transmit audio from devices with a 3.5mm audio output (e.g., PC, guitar, TV box) to Bluetooth-enabled headphones or speakers.
- Connect the AK818 transmitter to your audio source (PC, guitar, TV box) using the 3.5mm AUX cable.
- Power on the AK818. It will automatically enter pairing mode or connect to previously paired receivers.
- Bluetooth ヘッドフォンまたはスピーカーがペアリング モードになっていることを確認します。
- The AK818 will automatically search for and connect to nearby Bluetooth audio receivers.
- Adjust volume using the +/- buttons on the AK818 or your receiving device.

Receiver Mode Setup:
This mode allows you to receive audio from a Bluetooth transmitter (like another AK818 unit) and output it to wired headphones or speakers.
- Connect your wired headphones or speakers to the AK818 receiver's 3.5mm AUX output.
- Power on the AK818 receiver. It will automatically enter pairing mode.
- Ensure your Bluetooth audio source (e.g., AK818 transmitter) is in transmit mode and searching for receivers.
- The AK818 receiver will automatically connect to the transmitting device.
- Adjust volume using the +/- buttons on the AK818 receiver or the transmitting device.

操作手順
電源オン/オフ:
- 電源オン: Press and hold the power button (usually marked with a circle and line) for approximately 3 seconds until the LED indicator lights up.
- 電源を切る: LED インジケーターが消えるまで、電源ボタンを約 3 秒間押し続けます。
音量コントロール:
Use the '+' button to increase volume and the '-' button to decrease volume. These controls are available on both the transmitter and receiver units.
ペアリングと接続:
The AK818 is designed for automatic connection. When powered on, it will automatically attempt to connect to the last paired device. If no device is found or if you wish to pair with a new device, ensure both the transmitter and receiver are in pairing mode (indicated by a flashing LED) and within range. They will automatically connect.
LEDインジケーター:
The LED indicators provide information on the device's status, including power, charging, and connection status. Refer to the device's specific LED patterns for detailed information (e.g., solid blue for connected, flashing blue for pairing).
メンテナンス
- クリーニング: 柔らかく乾いた布でデバイスを拭いてください。液体クリーナーや溶剤は使用しないでください。
- ストレージ: デバイスは直射日光や極端な温度を避け、涼しく乾燥した場所に保管してください。
- バッテリーのケア: バッテリーの寿命を延ばすには、デバイスを頻繁に完全に放電することは避けてください。長期間使用しない場合でも、定期的に充電してください。
- 水を避ける: この機器は防水ではありません。水や湿気を避けて保管してください。
トラブルシューティング
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| 電源なし | 電池が消耗しています。 | USB-C ケーブルを使用してデバイスを充電します。 |
| ペアリング/接続できない | Device is out of range; pairing mode not active; interference. | Ensure devices are within 20 meters. Restart both devices to re-enter pairing mode. Move away from other wireless devices. |
| 音質が悪い | Weak signal; interference; incorrect audio settings. | Reduce distance between devices. Avoid obstacles. Check audio output settings on the source device. |
| 音量が低すぎる/高すぎる | Volume not adjusted on one or both devices. | Adjust volume using the +/- buttons on the AK818 and on the connected audio source/receiver. |
仕様
| 特徴 | 詳細 |
|---|---|
| モデル番号 | AK818 |
| ブランド | エップファン |
| ワイヤレス標準 | ブルートゥース5.4 |
| オーディオコーデックのサポート | LE Audio (LC3), SBC, AAC, APTX, APTX HD, LDAC, HWA |
| レイテンシー | Approximately 20ms (LE Audio) |
| 動作範囲 | 最大20メートル |
| 入力インターフェース | AUX (3.5mm), USB-C |
| 出力インターフェース | 補助(3.5mm) |
| 対応デバイス | Car stereo, speakers, Bluetooth headsets, home stereo systems, TVs, PCs, Android phones, iPhone 15, laptops, PS5, game consoles. |
| 電池のタイプ | リチウムイオン(1個付属) |
| 動作時間 | 最大12時間(送信機/受信機) |
| アイテム重量 | 50グラム |
| 色 | 黒 |




保証とサポート
eppfun is committed to providing quality products and customer satisfaction.
60日間の返品ポリシー:

If you are not satisfied with your eppfun AK818 or encounter issues that cannot be resolved with support, all products are eligible for a full, hassle-free refund within 60 days of purchase.
ヘルプが必要ですか?

Your satisfaction is important to us. For assistance with any product issues, please contact us through the official eppfun store page. Our support team will help you.
質問がありますか?

If you are unsure about device compatibility or have other inquiries, feel free to leave a question on the product page in the customer questions & answers section. We aim to respond within one business day.