ZERFUN D240 4-Pack Rechargeable Wireless Microphone System, Gray & Red, 2.4 GHz
Product description
The four-microphone format makes the ZERFUN D240 a fit for karaoke or gatherings where several people may want a handheld mic. The set includes a receiver with a 6.35 mm output and rechargeable microphones in gray and red.
Each mic has independent volume, echo, treble, and bass controls, so singers can adjust those settings at the microphone. The unidirectional pickup is intended to capture vocals from the top rather than the sides.

A single-microphone setup may be enough for solo use, this set makes more sense when you want four mics in one system. Its receiver connection also shapes where it can be used.
Everyday use



For a home karaoke session, the receiver can connect to a speaker, PA speaker system, amplifier, audio interface, mixer, or karaoke machine with a microphone input. The four handhelds offer a shared setup for group singing, meetings, parties, church events, or a DJ setting. A practical detail: the receiver’s 1/4-inch (6.35 mm) output is for a mic input, not a direct connection to a phone, PC, or camera.
The microphones use a cardioid, unidirectional pickup pattern. The product information says they pick up sound toward the top and not from the side, which may help keep attention on the vocalist in a room with other noise. The stated outdoor transmission range is up to 164 feet, actual use can depend on the setting, so that figure is best treated as a reference rather than a promise for every venue.

Buyers speak positively about whether the microphones work, but their opinions on overall quality are mixed. That feedback makes it sensible to weigh the four-mic format and individual controls against the importance you place on consistent quality. You’ll appreciate it if you need several cordless handhelds and a compatible audio system, It may not suit you if you need a microphone that plugs directly into a phone or computer.
Why it’s worth it



The main draw is having four rechargeable microphones and a receiver together, rather than building a multi-mic setup from separate pieces. Individual volume, echo, treble, and bass controls give each mic its own adjustments. The included windscreens and antiskid rings add practical accessories for the handhelds.
Both the microphones and receiver have built-in rechargeable batteries. The listed working time after a full charge is about 8–10 hours for a microphone and about 4–5 hours for the receiver. The difference matters when planning a longer event: the receiver’s stated runtime is shorter, so it is the component to keep in mind for extended use.

Key specifications
- Name: ZERFUN D240
- Type: Four-microphone rechargeable wireless system
- Connectivity: 2.4 GHz, 1/4-inch (6.35 mm) receiver output
- Color: Gray and red
- Compatibility: Speakers, PA speakers, amplifiers, audio interfaces, mixers, and karaoke machines with a mic input, not for phones, PCs, or cameras
- Battery life: About 8–10 hours per microphone and 4–5 hours for the receiver after a full charge
- What’s included: Four microphones, one receiver, three charging cables, four windscreens, four antiskid rings, and a user manual



Questions before you buy
Can I connect the receiver directly to a phone or PC? No. The listed output is a 6.35 mm jack for devices with a microphone input, and the product is not intended for phones, PCs, or cameras.
What can I try if a microphone powers on but has no sound? The instructions describe resetting the connection: turn on the microphone, press its power button quickly four times, then allow it to reconnect to the receiver. The microphone’s LED display should flash during the reset.
How long is the stated wireless range? The product information lists up to 164 feet outdoors. Treat that as the stated maximum, not a guaranteed distance in every environment.
Buying verdict
Choose the D240 when a group needs several rechargeable handheld mics and the available speaker or audio equipment has a compatible mic input. Compared with a simpler one-mic setup, it brings four microphones and individual sound controls, for direct phone or computer recording, its specified connection is the wrong fit. The receiver’s shorter stated runtime is also worth factoring into plans for longer events.
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