Sony

Sony RF400

Name: Sony RF400
Brand: Sony
SKU: B07GL7V46V
Price: 138.00 USD
Availability: InStock
Rating: 4.0 (1467 reviews)

Expert Review Analysis

The Sony WH‑RF400 are wireless over‑ear headphones designed for TV and home‑theater use, employing RF transmission for a reliable up to 150‑foot range and offering up to 20 hours of battery life. They feature large 40 mm drivers, a dialogue‑boost voice mode, and a dock that serves as both charger and transmitter.

✓ Best for: Seniors, hearing‑impaired users, or anyone who wants private TV audio without disturbing others, especially in multi‑room households. Extended TV or movie marathons where the 20‑hour battery and dialogue‑boost voice mode are valuable. Home theater setups within 150 ft of the TV dock, where a reliable RF connection through walls is needed.✗ Not ideal for: Outdoor or highly mobile scenarios where the RF dock cannot be carried. Users who need Bluetooth connectivity or want to use the headphones with non‑TV devices. Situations requiring quick top‑up charging, as the 7‑hour charge time may be too long.

Pros

✓150‑foot RF wireless range lets users move between rooms without losing signal.
✓Up to 20 hours of continuous playback on a single charge supports long TV or movie sessions.

Best Seller Rank History

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Specifications

Audio

Driver Size40 mm mm

Frequency Response10 Hz - 22 kHz

Impedance32 Ω Ω

Sensitivity100 dB/mW dB/mW

Noise ReductionRF compression/decompression

Battery

Battery Life20 hr minutes

Charging Time7 hr minutes

Battery TypeRechargeable AAA

Connectivity

Carrier Frequency915.5 MHz, 916.0 MHz, 916.5 MHz

Wireless Range150 ft mm

Required InputRCA Audio Out or Headphone Jack

CableNone (wireless RF)

Controls

Volume ControlRotary dial

Additional ControlsAuto-tuning button, Voice mode button

Design

Height13.5 in mm

Width7.25 in mm

Depth9.81 in mm

Ear Cup Width3.144 in mm

Ear Cup Height3.997 in mm

General

BrandSony

ModelWHRF400

ColorBlack

Release Date2018-08-30

Warranty90 days

Features

Voice Mode ButtonBoosts dialogue for clearer TV audio

Dimensions & Weight

Height13.5 inches

Width7.25 inches

Depth9.81 inches

Weight2.9 pounds

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Sony RF400

Expert Review Analysis

Best Seller Rank History

Specifications

Audio

Battery

Connectivity

Controls

Design

General

Features

Dimensions & Weight

Research Sources

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