# Sennheiser RS 185 RF

- Category: Headphone
- Brand: Audio-Technica
- Model: AUD ATHM20X
- Part number: AUD ATHM20X
- Price (US): $59.00
- Price last checked: 2026-08-05
- Rating: 4.6/5 from 8006 Amazon reviews
- Warranty: 2 years
- Product page: https://buildmypc.net/component-details/headphone/audio-technica-aud-athm20x/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Audio-Technica |
| Model | AUD ATHM20X |
| Type | Wired |
| Color | Black |
| Frequency | 15 Hz - 20 kHz |

## Key Features

- Audiophile style open back, circumaural headphone system with excellent digital wireless audio transmission delivering range up to 328feet/100meter (line of sight) .Connectivity Technology: Wireless
- High performance Sennheiser transducers deliver precise, detailed and dynamic sound
- Multipurpose transmitter supports both Digital and Analog Inputs in addition Automatic and Manual Level Control - also functions as 'easy charge' cradle and docking station for the headphones
- Multi receiver transmission transmitter supports up to two pairs of headphones simultaneously (optional HDR 185, sold separately)
- 2 year warranty when purchased from an authorized Sennheiser dealer. Signal to noise ratio: [Analog input] ALC typ. 85 dBA at 1 Vrms, MLC ≥ 90 dBA, [Digital input] > 90 dBA
- Frequency response is  17 - 22,000 Hertz. Carrier frequencies: 2.4 – 2.48 GigaHertz

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