Bubuka
Thank you for choosing the ZERFUN D240 Dual Rechargeable Wireless Microphones. This system is designed to provide high-quality audio for various applications, including home karaoke, meetings, parties, church events, and DJ performances. This manual will guide you through the setup, operation, and maintenance of your new wireless microphone system to ensure optimal performance and longevity.
Eusi pakét
Punten parios yén sadaya barang anu didaptarkeun di handap kalebet kana pakét anjeun:
- ZERFUN Rechargeable Cordless Mics x 2
- Panarima x 1
- Kabel Ngecas x 2
- Mikropon Kaca Depan x 2
- Antiskid Ring x 2
- Buku Panduan x 1

Figure 1: ZERFUN D240 Package Contents
Produk Leuwihview
The ZERFUN D240 system features two rechargeable handheld microphones and a compact receiver. The microphones are designed with a durable metal body and a clear LED display for frequency and battery status. The receiver is equipped with a 1/4-inch (6.35mm) output for easy connection to compatible audio devices.

Figure 2: ZERFUN D240 Wireless Microphone System
Fitur Mikropon
- Metal Mesh Head: Durable and designed for clear sound capture.
- Jelas LED tampilan: Shows battery level and frequency.
- Port ngecas USB-C: Convenient for recharging.
- Kadali: Independent Volume, Echo, Treble, and Bass adjustments.

Figure 3: Microphone Components and Charging

Figure 4: Microphone Control Panel
Fitur panarima
- 1/4" (6.35mm) Mic Plug: For connecting to audio input devices.
- Receiving Indicators (A.RF, B.RF): Show active microphone connection.
- Indikator ngecas: Mintonkeun status ngecas.
- Indikator kakuatan: Némbongkeun status kakuatan.
- Tombol Pindah Daya: To turn the receiver on/off.

Figure 5: Receiver Components and Indicators
Disetél
- Ngecas Mikropon sareng Panarima: Before first use, fully charge both microphones and the receiver using the provided charging cables. Refer to the 'Charging and Battery Life' section for details.
- Sambungkeun panarima: Plug the 1/4" (6.35mm) mic plug of the receiver into the MIC input of your compatible audio device (e.g., speaker, PA system, amplifier, mixing board, karaoke machine).
- Daya Hurung: Turn on the receiver using its power switch button. Then, turn on each microphone. The system is designed for automatic frequency scanning and transmission, ensuring a quick and stable connection.
- Saluyukeun Volume: Start with the microphone volume at a low setting on both the microphone and your audio device, then gradually increase to a comfortable level.

Figure 6: System Compatibility Overview
Parentah Operasi
The ZERFUN D240 microphones offer independent controls for a customized audio experience:
- Kontrol Volume (VOL): Adjusts the overall loudness of the microphone output. Features ±15 levels of adjustment.
- Echo Control (ECHO): Adds a reverberation effect to your voice. Features ±15 levels of adjustment.
- Treble Control (TREBLE): Adjusts the high-frequency tones for clarity. Features ±7 levels of adjustment.
- Bass Control (BASS): Adjusts the low-frequency tones for richness. Features ±7 levels of adjustment.
These are cardioid wireless microphones, meaning they primarily pick up sound from the front (unidirectionally). For best results, speak directly towards the top of the microphone. This pickup pattern helps isolate your vocals from background noise.
Ngeusi batre jeung Batré
Both the microphones and the receiver are equipped with built-in rechargeable batteries.
- Waktu Ngecas: Kurang leuwih 3-4 jam pikeun ngeusi batre pinuh.
- Mikropon Waktu Gawé: About 8-10 hours when fully charged.
- Receiver Working Time: About 4-5 hours when fully charged.
Use the provided charging cables to recharge the devices. The LED display on the microphone and the charging indicator on the receiver will show the charging status.
Rentang transmisi
The ZERFUN Cordless Microphone system operates on 2.4Ghz frequencies, compliant with FCC regulations. It supports a transmission range of up to 164 feet (approximately 50 meters) in outdoor environments. Optimal performance is achieved within this range and without significant obstructions.

Figure 7: Wireless Transmission Range
Pangropéa
- beberesih: Use a soft, dry cloth to clean the microphones and receiver. Do not use abrasive cleaners or immerse in water.
- Panyimpenan: Simpen sistem di tempat anu tiis sareng garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim nalika henteu dianggo.
- Perawatan batré: For prolonged storage, charge the batteries to about 50% every few months to maintain battery health.
Pamérésan masalah
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Taya sora tina mikropon | Microphone or receiver not powered on; Low battery; Incorrect connection; Out of range. | Ensure both devices are on; Recharge batteries; Check receiver is plugged into MIC input; Move closer to receiver. |
| Kualitas sora goréng / Gangguan | Obstructions; Other 2.4Ghz devices nearby; Microphone not pointed correctly. | Reduce obstructions; Move away from other wireless devices; Speak directly into the top of the microphone. |
| Mikropon teu ngecas | Kabel atanapi sumber daya rusak; Masalah dina port ngecas. | Try a different charging cable or USB port; Contact customer support if issue persists. |
spésifikasi
| Fitur | Rincian |
|---|---|
| merek | ZERFUN |
| Nomer modél | D240 |
| Téhnologi konektipitas | 2.4Ghz |
| Pola Polar | Saarah (Cardioid) |
| Faktor Bentuk Mikropon | Dicekel |
| Tipe Panyambung | 6.35 mm Jack |
| Sumber Daya | Batré Powered (Litium Ion) |
| Daya Tahan Batré Mikropon | 8-10 Jam |
| Kahirupan batré panarima | 4-5 Jam |
| Rentang transmisi | Up to 164 feet (Outdoor) |
| Ukuran barang (L x W x H) | 11.9 x 7.5 x 2.3 inci |
| Item Beurat | 1.48 pon |
| Alat nu cocog | Amplifier, Audio Interface, Audio Mixer, Karaoke Machine, Speaker |
| Fitur husus | Bisa dicas deui |
Garansi sareng Rojongan
Genuine ZERFUN Wireless Microphone products come with supportive 24-Hours After-Sales Customer Service and a 12-Month Manufacturer Assurance. For any inquiries or assistance, please contact ZERFUN customer service.