EROK WP-12 Wireless In-Ear Monitor Receiver, 2.4GHz, 24-bit/48 kHz
Product description
Key features
For a performer who needs to move around a stage while monitoring audio, the EROK WP-12 receiver offers wireless 2.4GHz connectivity with an effective range of up to 30 meters in open areas. Its compact clip-style design makes it easy to carry during rehearsals and live performances, without relying on a cable running back to the audio source.
The system transmits audio at 24-bit/48 kHz, with low latency for real-time monitoring. A 3.5 mm headphone jack provides a connection point for in-ear headphones, while the receiver’s volume button makes level adjustments readily accessible during use.
This listing is for one receiver. A single transmitter can connect with up to four receivers, making an additional receiver useful when expanding a compatible monitoring setup for more listeners.

Who it’s for


This receiver is intended for performers and audio users who already have a compatible transmitter and want a wireless in-ear monitoring setup. It can suit stage use, rehearsal, or other audio-monitoring situations where freedom to move is more useful than a fully wired connection. The 3.5 mm jack supports a straightforward wired headphone connection at the receiver, while the wireless link keeps the route from the transmitter to the listener cable-free.
Compared with a wired monitoring arrangement, the WP-12 receiver supports movement within the system’s effective range. Compared with replacing an entire monitoring setup, adding a receiver can be a practical approach when the existing transmitter can pair with multiple receivers. Its small clip-style form also helps keep the receiver close at hand while performing.
How to use it

Pair the receiver with a compatible transmitter, connect in-ear headphones through the 3.5 mm jack, and use the receiver’s volume control to set the listening level. For a stage or rehearsal setup, the receiver can be clipped or carried near the performer while the transmitter sends the audio signal. The stated range is up to 30 meters in open areas, conditions such as complex surroundings can affect the effective distance.
The LED indicators provide status information, including channel and battery information. The receiver’s battery life is up to 6 hours. Switch the unit off when it is not in use to avoid unnecessary battery drain, and turn it off during charging as directed for battery care.

Questions before you buy
How many receivers can connect to one transmitter? A single transmitter can connect with up to four receivers at the same time, which supports monitoring for multiple listeners in a compatible setup.

What is the receiver’s wireless range? The effective range is up to 30 meters in open areas. Complex environments may affect the usable distance, so placement of the transmitter and receiver matters during setup.
How long can the receiver run on a charge? The receiver is rated for up to 6 hours of battery life. Turning it off when not in use helps avoid continued battery consumption.
Is it worth it?
For someone with a compatible transmitter who needs another listening point, the WP-12 receiver offers a focused way to extend an in-ear monitoring setup. Its compact clip-style design, 3.5 mm headphone connection, adjustable volume, and wireless range of up to 30 meters support practical use during rehearsals and performances. Choose it when the goal is to add one receiver and give a performer room to move while monitoring audio.
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