1. Pendahuluan
The eppfun AK3040R Pro is a versatile Bluetooth audio receiver designed to bring wireless audio streaming capabilities to your existing home stereo systems, speakers, or wired headphones. Featuring Bluetooth 5.0 technology and support for high-definition audio codecs such as LDAC, aptX HD, aptX Low Latency, AAC, and SBC, it ensures a high-fidelity audio experience. This manual provides detailed instructions for setup, operation, and troubleshooting to help you maximize your device's performance.

Image 1.1: The eppfun AK3040R Pro Bluetooth Audio Receiver connected to a home stereo system.
2. Isi Paket
Harap verifikasi bahwa semua item ada dalam paket Anda:
- eppfun AK3040R Pro Bluetooth Audio Receiver
- Kabel Audio 3.5mm
- Kabel Audio RCA
- Kabel Pengisian Daya USB
- User Manual (dokumen ini)

Image 2.1: The AK3040R Pro receiver and its accompanying cables.
3. Produk Lebihview
The AK3040R Pro is a compact device designed for ease of use and portability. It features a central control knob, various audio output ports, and a power switch.
3.1. Fitur Perangkat
- Bluetooth 5.0: Untuk koneksi nirkabel yang stabil dan efisien.
- High-Definition Audio Codecs: Supports LDAC, aptX HD, aptX Low Latency, AAC, and SBC for superior sound quality.
- 3D Surround Sound Function: Enhances audio with dynamic bass and spatial effects.
- Panggilan bebas genggam: Integrated microphone for phone calls.
- Keluaran Audio Ganda: 3.5mm AUX and RCA ports for broad compatibility.
- Daya Tahan Baterai yang Lama: Over 12 hours of continuous playback.

Image 3.1: Key features of the AK3040R Pro, including HiFi sound quality and Bluetooth 5.0.

Image 3.2: The compact size of the AK3040R Pro, emphasizing its role in upgrading speaker systems.
4. Pengaturan
4.1. Mengisi Daya Perangkat
Before initial use, fully charge the AK3040R Pro using the provided USB charging cable. Connect the USB cable to the DC5V port on the receiver and to a standard USB power adapter (not included) or a computer USB port.
- Waktu pengisian daya sekitar 2 jam.
- A full charge provides over 12 hours of continuous playback.

Image 4.1: Battery life and charging duration of the AK3040R Pro.
4.2. Connecting to Audio Systems
The AK3040R Pro can connect to your audio system via either a 3.5mm AUX cable or RCA cables.
- Ensure the receiver is powered off.
- Connect one end of the 3.5mm audio cable to the 'AUDIO' output port on the AK3040R Pro. Connect the other end to the AUX input of your speaker or home stereo system.
- Alternatively, connect the RCA audio cable to the red and white RCA output ports on the AK3040R Pro. Connect the other ends to the corresponding red and white RCA input ports on your speaker or home stereo system.
- Turn on the power button of the AK3040R Pro.

Image 4.2: Connection methods for the AK3040R Pro to an audio system.
5. Petunjuk Pengoperasian
5.1. Daya Hidup/Mati
Locate the power switch on the side of the device. Slide it to the 'ON' position to power on, and to 'OFF' to power off.
5.2. Pemasangan Bluetooth
- Ensure the AK3040R Pro is powered on. It will automatically enter pairing mode, indicated by a flashing LED light.
- Pada ponsel pintar, tablet, atau perangkat lain yang mendukung Bluetooth, buka pengaturan Bluetooth.
- Pencarian untuk available devices and select 'LE506' from the list.
- Once connected, the LED indicator on the AK3040R Pro will show a solid light, indicating a successful pairing.

Image 5.1: Steps for Bluetooth pairing with a smartphone.
5.3. Pemutaran Musik
After successful pairing, you can stream audio from your connected device to your stereo system or speakers.
- Putar/Jeda: Press the central control knob once to play or pause music.
- Lagu Berikutnya: Rotate the central control knob clockwise once.
- Lagu Sebelumnya: Rotate the central control knob counter-clockwise once.
- Kontrol Volume: Press and hold the central control knob clockwise to increase volume, and counter-clockwise to decrease volume.

Image 5.2: Music playback setup with the AK3040R Pro.
5.4. 3D Surround Sound Function
The AK3040R Pro features a 3D button to activate a surround sound effect with enhanced dynamic bass. Press the '3D' button on the device to toggle this feature. A green LED will illuminate when 3D mode is active.
5.5. Panggilan Bebas Genggam
When connected to your smartphone, the AK3040R Pro supports hands-free calling.
- Menjawab/Mengakhiri Panggilan: Press the central control knob once.
- Tolak Panggilan: Press and hold the central control knob.

Image 5.3: The AK3040R Pro facilitating hands-free communication.
6. Pemeliharaan
To ensure the longevity and optimal performance of your eppfun AK3040R Pro, follow these maintenance guidelines:
- Pembersihan: Use a soft, dry cloth to clean the device. Avoid using abrasive cleaners, solvents, or strong chemicals.
- Penyimpanan: Simpan perangkat di tempat yang sejuk dan kering, jauhkan dari sinar matahari langsung dan suhu ekstrem.
- Hindari Air: This device is not waterproof. Keep it away from liquids and moisture.
- Tangani dengan hati-hati: Hindari menjatuhkan atau membenturkan perangkat dengan keras.
7. Penyelesaian masalah
If you encounter issues with your AK3040R Pro, refer to the following common problems and solutions:
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Perangkat tidak menyala. | Baterai lemah atau tidak ada daya. | Charge the device using the provided USB cable. Ensure the power switch is in the 'ON' position. |
| Tidak dapat memasangkan dengan perangkat Bluetooth. | Device not in pairing mode, or too far from source. | Ensure the AK3040R Pro is powered on and its LED is flashing. Place the source device within 12 meters. Turn off and on Bluetooth on your source device. |
| Tidak ada suara atau kualitas suara buruk. | Incorrect cable connection, low volume, or interference. | Check that audio cables are securely connected to both the receiver and your audio system. Adjust volume on both the receiver and your source device. Ensure no strong interference sources are nearby. |
| Bluetooth connection drops frequently. | Distance or obstacles. | Reduce the distance between the AK3040R Pro and your source device. Remove any obstacles that may block the signal. |
8. Spesifikasi
| Fitur | Detil |
|---|---|
| Nomor Model | AK3040R Pro |
| Versi Bluetooth | 5.0 |
| Codec Audio yang Didukung | LDAC, aptX HD, aptX Low Latency, AAC, SBC |
| Teknologi Konektivitas | Bluetooth, 3.5mm AUX, RCA |
| Sumber Daya | Bertenaga Baterai |
| Battery Life (RX continuous playback) | >12 jam |
| Waktu Pengisian Daya | Sekitar 2 jam |
| Reception Distance (Indoor) | >12 meters (straight line unobstructed) |
| Dimensi Produk | 1.1x2.36x2.36 inci |
| Berat Barang | 3.84 ons |
| Bahan | Plastik |

Image 8.1: The AK3040R Pro's effective Bluetooth transmission range.

Image 8.2: Broad compatibility of the AK3040R Pro with smart devices.

Image 8.3: The AK3040R Pro operating in Receiver Mode, connecting various source devices to audio outputs.
9. Garansi dan Dukungan
9.1. Informasi Garansi
eppfun products are designed and manufactured to the highest quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official eppfun websitus. Simpan struk pembelian Anda sebagai bukti pembelian untuk klaim garansi.
9.2. Dukungan Pelanggan
If you have any questions, require technical assistance, or experience issues not covered in this manual, please contact eppfun customer support. Contact information can typically be found on the eppfun official websitus atau pada kemasan produk.