Panasonic

Panasonic RPDJS400K Over-Ear Stereo Headphones Black

4.0 (949 reviews)
10 Hz - 27 KHz

Panasonic's RPDJS400K on-ear headphones deliver a portable listening experience in a compact, foldable black design.

$69.95*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.

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Overview

The Panasonic RPDJS400K is a pair of on-ear stereo headphones designed for everyday portable use. Finished in black, they feature a folding mechanism that allows the headphones to collapse into a more compact shape, making them convenient to toss into a backpack, purse, or travel bag. The wired design ensures compatibility with a wide range of devices through a standard 3.5mm audio connection, and there's no battery to worry about keeping charged.

As an on-ear model, the RPDJS400K sits on the ears rather than enclosing them, which contributes to a lighter feel on the head. This makes them a reasonable pick for commuting, casual music listening, or use at a desk. However, the on-ear fit inherently provides less sound isolation than closed-back over-ear alternatives, so ambient noise may seep through in louder environments. For users seeking an affordable, no-fuss pair of headphones that prioritize portability and simplicity, the RPDJS400K fills that role capably.

Key Features

Tuned Bass for massive beats

Frequency response - 10 Hz - 27 KHz

Country of Origin: CHINA

Item Package weight : 0.294 kilograms

Specifications

Brand
Panasonic
Model
RPDJS400K
Color
Black
Type
On-Ear Stereo Headphones
Connection
Wired (3.5mm)

Pros & Cons

👍 Pros

  • Compact, foldable design makes them highly portable and easy to carry in a bag
  • Lightweight on-ear construction reduces fatigue compared to bulkier over-ear models
  • Wired connection means no battery to charge and no wireless latency
  • Simple plug-and-play operation with any device that has a 3.5mm headphone jack

👎 Cons

  • On-ear design provides less passive noise isolation than full over-ear headphones
  • Limited product specifications available, making it difficult to evaluate detailed audio performance metrics
  • Wired-only connection means no Bluetooth option for wireless listening
  • Extended wear may cause ear discomfort since the pads press directly against the ears

Frequently Asked Questions

They are an on-ear (supra-aural) design, meaning the ear cushions rest on the ears rather than fully enclosing them.
Yes, the RPDJS400K features a compact folding design that makes them easy to store in a bag or pocket when not in use.
These are wired headphones, so they require a standard 3.5mm audio jack connection to your device.
The on-ear design keeps them lightweight, but because the pads rest directly on the ears rather than around them, comfort during very long sessions may vary by individual preference.