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Williams Sound HED 040 Adult Hearing Protector Headphones — main product image
Williams Sound

Williams Sound HED 040 Adult Hearing Protector Headphones

★★★★★3.0 (1 reviews)
200 Hz - 6kHz

Protect Your Hearing While Enjoying Clear AudioThe Williams Sound HED 040 Adult Size Hearing Protector Headphones offer both hearing protection and clear audio for various applications. Recommended for use with PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receivers. Recommended for PPA R37, ...

$331.45*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Protect Your Hearing While Enjoying Clear Audio

The Williams Sound HED 040 Adult Size Hearing Protector Headphones offer both hearing protection and clear audio for various applications. Recommended for use with PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receivers.

  • Recommended for PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receiver
  • 3.5mm stereo plug
  • 39" cord length
  • 32 ohms

Key Features

Recommended for PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receiver. (Not compatible with PPA R35-8 receiver)

Mild and low gain hearing loss rating

Compatible with receivers that have stereo jacks only

3.5mm stereo plug, 39" cord length, 32 ohms

Freq. Response 200 Hz - 6kHz, Noise Reduction Rating 24dB

Specifications

Brand
Williams Sound
Model
HED 040
Compatibility
PPA R37, PPA R38 FM receivers and WIR RX 22-4 IR receiver
Incompatibility
PPA R35-8 receiver
Hearing Loss Rating
Mild and low gain
Plug Type
3.5mm stereo
Cord Length
39 inches
Impedance
32 ohms
Frequency Response
200 Hz - 6kHz
Noise Reduction Rating
24dB

Pros & Cons

👍 Pros

  • These Williams Sound HED 040 headphones offer a notable 24dB Noise Reduction Rating, effectively reducing ambient distractions.
  • Designed for mild and low gain hearing loss, they cater to users with specific auditory needs.
  • Equipped with a 3.5mm stereo plug and 39" cord, these headphones provide broad compatibility with various receivers.
  • The specified frequency response of 200 Hz - 6kHz is tailored for clear voice reproduction, which is crucial for assistive listening.
  • With 32 ohms impedance, these headphones are generally easy to drive and compatible with portable devices.

👎 Cons

  • The headphones are not compatible with the PPA R35-8 receiver, limiting their use for some Williams Sound system owners.
  • The frequency response range of 200 Hz - 6kHz is quite narrow, potentially leading to a lack of bass or treble detail for music listening.
  • These headphones are specifically designed for mono or voice-centric applications, making them less ideal for stereo audio or rich multimedia.
  • The 39" cord length, while flexible, might be too short for some stationary setups or too long for highly active users.

Frequently Asked Questions

Yes, these headphones are recommended for individuals with mild and low gain hearing loss, suggesting they are optimized for assistive listening applications.
While they have a 3.5mm stereo plug, the narrow frequency response (200 Hz - 6kHz) is tailored for voice, meaning they may not provide optimal sound quality for music playback.
A 24dB NRR indicates that the headphones can reduce ambient noise levels by 24 decibels, helping users focus on the audio content in noisy environments.
They are compatible with receivers that have stereo jacks, but specific models like the PPA R35-8 are explicitly listed as incompatible, so checking your receiver model is important.
The features state a "39" cord length," but do not specify if the cord is detachable or designed to be user-replaceable.

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