
R80B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $67.49 | Top Pick! Condition is New, FOSTEX Attenuator one R80B From Japan, FREE SHIPPING | 99.3% |
![]() | $67.72 | Condition is New, FOSTEX Attenuator one R80B From Japan free shipping new, FREE SHIPPING | 99.7% |
![]() | $55.19 | Top Pick! Condition is New, Fostex High Input Attenuator R80B, shipping cost = $14.16 | 99.5% |
![]() | $68.95 | Condition is New, FOSTEX Attenuator 1 R80B, shipping cost = $7.00 | 99.7% |
![]() | $57.73 | Condition is New, Fostex R80B High Input Attenuator High Resistance Pro Audio Module, shipping cost = $20.00 | 99.9% |
![]() | $70.06 | Condition is New, Fostex High Input Attenuator R80B, shipping cost = $7.00 | 99.6% |
![]() | $77.26 | Condition is New, FOSTEX R80B Attenuator 1-pcs, FREE SHIPPING | 100.0% |
![]() | $77.65 | Condition is New, FOSTEX High Input Attenuator R80B Controls The Volume Balance Of Tweeters, FREE SHIPPING | 99.8% |
![]() | $70.90 | Condition is New, FOSTEX Attenuator one R80B , shipping cost = $11.00 | 99.9% |
![]() | $70.99 | Condition is New, FOSTEX Attenuator one R80B From Japan , shipping cost = $11.00 | 99.9% |
![]() | $55.31 | Condition is New, FOSTEX Attenuator 1pcs R80B from Japan w/ Tracking NEW, shipping cost = $31.91 | 99.2% |
![]() | $71.90 | Top Pick! Condition is New, FOSTEX Attenuator 1-pcs R80B New From Japan, shipping cost = $15.00 | 99.6% |
![]() | $75.25 | Top Pick! Condition is New, FOSTEX Attenuator 1-pcs R80B with number New, shipping cost = $11.00 | 99.8% |
![]() | $62.00 | Top Pick! Condition is New, Fostex R80B High Power Input Attenuator Audio Speaker Volume Control Japan, shipping cost = $25.00 | 99.2% |
![]() | $66.08 | Condition is New, Fostex High Input Attenuator R80B Audio Speaker Unit Volume Controller, shipping cost = $22.50 | 99.5% |
![]() | $70.88 | Condition is New, FOSTEX R80B Speaker Attenuator L-Pad 8 Ohm 100W Brand New from Japan, shipping cost = $18.75 | 99.8% |
![]() | $96.53 | Condition is New, FOSTEX Attenuator 1-pcs R80B, FREE SHIPPING | 93.8% |
![]() | $58.67 | Condition is New, New FOSTEX Attenuator one R80B from Japan, shipping cost = $40.00 | 99.7% |
![]() | $81.00 | Top Pick! Condition is New, Fostex High Input Attenuator R80B New, shipping cost = $33.00 | 98.1% |
![]() | $102.86 | Condition is New, FOSTEX attenuator R80B Japan, shipping cost = $16.00 | 99.8% |
![]() | $101.15 | Condition is New, FOSTEX Attenuator 1-pcs R80B, shipping cost = $39.00 | 99.4% |
![]() | $155.32 | Condition is New, FOSTEX Attenuator one R80B from Japan F/S new, shipping cost = $35.00 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $899.99 | Condition is Used, Fostex T90A Tweeter with R80B Attenuator & CSO.33 0.33 F Capacitor Fully Working, FREE SHIPPING | 98.8% |

The Fostex R80B Attenuator is an essential accessory for those using high-sensitivity headphones or IEMs (In-Ear Monitors) with the Fostex R80 portable headphone amplifier. This attenuator is meticulously designed to reduce the output level of the R80 amplifier, making it suitable for use with headphones or IEMs that have low impedance and high sensitivity.
The R80B Attenuator is a compact, lightweight device that can be easily carried along with the R80 amplifier. It features a simple yet effective design, with a single 3.5mm input and two 3.5mm output jacks. The attenuator offers three different output levels, selectable via a rotary switch on the top of the device. The available attenuation levels are 0dB, 6dB, and 12dB, providing users with the flexibility to match the output level of the R80 amplifier to their specific headphones or IEMs.
The R80B Attenuator is constructed using high-quality components that ensure accurate and consistent attenuation. The device features a rugged aluminum housing, providing both durability and a sleek, professional appearance. The rotary switch is large and easy to operate, even when wearing gloves, making it convenient to use in various environments.
The Fostex R80B Attenuator is an indispensable tool for anyone looking to get the most out of their high-sensitivity headphones or IEMs with the Fostex R80 portable headphone amplifier. It offers precise and adjustable attenuation, a compact and durable design, and easy operation, making it an excellent choice for both professional and casual use.
The Fostex R80B is an external headphone attenuator designed to reduce the volume level of audio sources, making it ideal for use with high-sensitivity headphones or for preventing audio distortion when listening at high volumes. Here are some pros and cons of buying a Fostex R80B attenuator:
Pros:1. Reduces volume level: The primary function of the Fostex R80B is to reduce the volume level of audio sources. This can be beneficial for those using high-sensitivity headphones that may require lower input levels or for preventing audio distortion when listening at high volumes.
2. Versatile: The Fostex R80B can be used with various types of audio sources, including smartphones, tablets, computers, and portable audio players.
3. Compact and portable: The small size and lightweight design of the Fostex R80B make it easy to carry around, making it a great option for travel or use on the go.
4. Durable: The Fostex R80B is built with high-quality components and has a sturdy construction, ensuring it can withstand regular use.
5. Affordable: The Fostex R80B is relatively affordable compared to other attenuators in the market, making it an attractive option for budget-conscious consumers.
Cons:1. Limited functionality: The Fostex R80B is primarily an attenuator, meaning it does not offer any additional features or functionality beyond volume reduction.
2. May require additional cables: Depending on the type of headphones or audio sources being used, additional cables may be required to connect the Fostex R80B to the audio source and headphones.
3. Potential for signal degradation: Some users have reported a slight degradation in sound quality when using the Fostex R80B, although this is not a common issue.
In conclusion, the Fostex R80B is a high-quality and affordable attenuator that can be beneficial for those using high-sensitivity headphones or for preventing audio distortion when listening at high volumes. Its compact and portable design make it an excellent option for travel or use on the go. However, it may not offer any additional features or functionality beyond volume reduction, and some users have reported a slight degradation in sound quality.
Recommendation:If you are in the market for an attenuator and meet the criteria mentioned above, the Fostex R80B is an excellent option to consider. Its high-quality construction, affordability, and versatility make it a great choice for anyone looking to reduce the volume level of their audio sources. However, if you require additional functionality beyond volume reduction, you may want to consider other options in the market.
Details:
With its premium construction and precise engineering, the Fostex attenuator R80B is a reliable sought-after product for improving audio performance. Ideal for audio enthusiasts looking to fine-tune their home setup, this pair of attenuator ensures a smooth and controlled listening experience. Made by the reputable brand Fostex, this attenuator is designed to reduce volume of audio signals while maintaining optimal sound quality. The Fostex attenuator R80B is a high-quality audio component manufactured in japan.
specifications vidioaudio:
- brand: Fostex
- mpn: R80b
- part type: Attenuator
- upc: 995090201061
- conditionid: 1000
- country/region of manufacture: Japan
returns vidioaudio:
- policy: no returns
shipping vidioaudio:
- transit: 6-12 days
- class: standard
- carrier: usps
- service: usps ground advantage
- type: calculated
offer vidioaudio:
- prices: $55.19–$899.99
- item condition:
- New
- Used
- started: june 19, 2025
- best offers: true
- options: ship-to-home
- availability: in stock
- sold #: 14
- in stock #: 5
general vidioaudio:
- category: Electronics > Tv, Video Home Audio
payments vidioaudio:
- other
- wallet: google-pay
- credit card: mastercard
seller vidioaudio:
- city: rocky river, ohio
- # reviews: 21
- rating: 100.0%






















