WARNING!

USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN CAUSE PERMANENT

HEARING DAMAGE.

USE AS LOW A VOLUME AS POSSIBLE.

In order to use this system safely, avoid prolonged listening at excessive sound pressure lev- els. Please use the following guidelines established by the Occupational Safety Health Ad- ministration (OSHA) on maximum time exposure to sound pressure levels before hearing damage occurs.

90 dB SPL at 8 hours

95 dB SPL at 4 hours

100 dB SPL at 2 hours

105 dB SPL at 1 hour

110 dB SPL at 1/2 hour

115 dB SPL at 15 minutes

120 dB SPL - avoid or damage may occur

It is difficult to measure the exact Sound Pressure Levels (SPL) present at the eardrum in live applications. In addition to the volume setting on the PSM, the SPL in the ear is affected by ambient sound from floor wedges or other devices. The isolation provided by the fit of quality earphones is also an important factor in determining the SPL in the ear.

Here are some general tips to follow in the use of this product to protect your ears from damage:

1.Turn up the volume control only far enough to hear properly.

2.Ringing in the ears may indicate that the gain levels are too high. Try lowering the gain levels.

3.Have your ears checked by an audiologist on a regular basis. If you experience wax buildup in your ears, stop using the system until an audiologist has examined your ears.

4.Wipe the earphones with an antiseptic before and after use to avoid infections. Stop using the earphones if they are causing great discomfort or infection.

This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.

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Shure P4HW manual DB SPL avoid or damage may occur
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P4HW specifications

The Shure P4HW is a premium radio frequency (RF) in-ear monitoring system designed for professional musicians, audio engineers, and sound technicians. Renowned for its reliability and sound quality, the P4HW is an essential tool in live performance environments where clear audio playback is critical.

One of the standout features of the P4HW is its robust wireless technology, enabling performers to move freely on stage without being tethered to mixers or amplifiers. The unit operates in the UHF frequency range, often considered the gold standard for professional audio applications due to its resistance to interference. This ensures the signal remains strong and clear even in crowded venues.

A notable characteristic of the P4HW is its impressive audio quality. With a frequency response of 20 Hz to 20 kHz, it faithfully reproduces a wide spectrum of sound, allowing musicians to hear every nuance of their performance. The system's low latency ensures that there is no noticeable delay between the sound being produced and what the performer hears, creating a natural and cohesive listening experience.

Additionally, the P4HW boasts a diversity receiver design which utilizes two antennas to capture signals. This diversity system significantly reduces the likelihood of dropouts and maintains a solid connection even in challenging environments. Coupled with powerful encryption for secure audio transmission, the P4HW serves to deliver sound that is both high fidelity and secure.

The built-in rechargeable battery of the P4HW offers long operational hours, making it suitable for extended performances without the concern of sudden power loss. The LEDs on the unit display battery status, connection strength, and audio levels, allowing users to monitor essential parameters in real-time.

Flexibility is another advantage of the Shure P4HW. It supports a variety of monitoring options, including mono, stereo, and mixed modes, which can be adjusted to suit the specific needs of the user. With multiple output configurations, it can seamlessly integrate into various professional audio setups.

In summary, the Shure P4HW is a leader in the realm of wireless in-ear monitoring systems. Its advanced technologies, exceptional sound quality, and user-friendly features make it a reliable choice for anyone serious about live audio performance. Whether for touring bands, local gigs, or studio work, the P4HW delivers an unparalleled monitoring experience that enhances any performance.
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