Sony MDRXB55AP Extra Bass Earbuds: Powerful Audio in a Portable Package

Published on May 6, 2023, 3 p.m.

The Sony MDRXB55AP Extra Bass earbuds deliver powerful, deep bass in a slick and portable wired in-ear headphone design. With Sony’s expertise in audio technology, these earbuds pack some extra punch for bass lovers on the go.
 Sony MDRXB55AP Extra Bass Earbuds

Slick Style in Vibrant Blue

Showcasing Sony’s colorful styling, the Sony MDRXB55AP Extra Bass Earbuds sport a bright blue exterior that contrasts nicely with the black accents. The serrated cable resists tangling, and the inline remote makes controlling music and phone calls a breeze.

Bold Bass Backed by Detailed Sound

Equipped with 12mm high-sensitivity neodymium drivers, the Sony MDRXB55AP Extra Bass Earbuds renders audio with clarity and depth. Sony’s Powered Bass Duct++ technology provides thundering lows without muddying the mids and highs. From booming hip-hop tracks to detailed orchestral scores, these earbuds deliver dynamic sound across genres.

Customized Comfort for All-Day Listening

With a choice of four included eartip sizes, users can tailor the fit for optimal comfort. The lightweight in-ear design paired with the soft silicone eartips allow for comfortable all-day listening whether commuting or at the office.

Seamless Controls at Your Fingertips

The in-line remote makes it easy to control music playback and phone calls without fumbling for your phone. With the Sony MDRXB55AP Extra Bass Earbuds, your audio and calls are always within reach.

Perfect for Bass-Heavy Listening

With their extra bass emphasis, these earbuds are ideal for bass-heavy music like hip-hop, EDM, and pop. The bold lows let you feel the beat whether working out or walking around town.

Renowned Sony Quality

As a leader in audio electronics, Sony has a reputation for quality that shines through in the Sony MDRXB55AP Extra Bass Earbuds. The dynamic sound defies their compact size.

Rave Reviews for Value and Sound

According to customer reviews, the Sony MDRXB55AP Extra Bass Earbuds punch above their weight with impressive bass, comfort, and overall audio quality - all at an affordable price point.

Powerful Portable Audio Perfected

For those seeking heavy bass in a lightweight, wired in-ear headphone package, the Sony MDRXB55AP Extra Bass earbuds check all the boxes. With bold sound, customizable comfort, and convenient controls, these earbuds let you take powerful audio anywhere life takes you.

Feel the Beat Anywhere

With their emphasized low-end and lightweight profile, the Sony MDRXB55AP Extra Bass Earbuds make an ideal companion for bass lovers on the move. Pound the pavement or pump iron while your favorite hip-hop, EDM, or pop beats drive your workout. Or get lost in the basslines during your daily commute or travels. Wherever you need extra oomph in your audio, these earbuds deliver.

Breakdown of Customer Feedback

Reviews for the Sony MDRXB55AP Extra Bass earbuds are overwhelmingly positive, with users praising the powerful bass response and comfortable in-ear fit.

The expanded low-end receives consistent acclaim across reviews. Audiophiles describe the bass as “throbbing”, “booming”, and “impactful”, with plenty of sub-bass rumble perfect for bass-heavy genres. EDM and hip hop tracks really come alive with the Extra Bass mode enabled. The intensified low frequencies make listeners “feel immersed” in the music.

Besides pumping up the bass, users compliment the earbuds’ sound clarity across treble, mids, and vocals. The audio quality is impressive given the affordable price point. Sony’s audio engineering expertise shines through in the precise tuning.

When it comes to comfort, customers rave about how the different sized eartips allow a customized, secure fit. Reviewers mention wearing the lightweight earbuds for hours on end without fatigue or ear pain. The soft silicone eartips conform to the ears’ shape and remain comfortable even during active use like exercise.

Some users do note finicky inline controls, but this drawback is overshadowed by the engrossing audio experience. For those seeking big bass in a truly wireless form factor, the Sony MDRXB55AP Extra Bass Earbuds deliver thrilling, nuanced audio with exceptional comfort. As one reviewer summarizes, the Extra Bass line offers “mind blowing sound” in an accessible package.

Impressive Value

Given the powerful audio performance, comfort, and Sony quality, the Sony MDRXB55AP Extra Bass Earbuds provide excellent value. Robust bass, customizable fit, and slick styling make these earbuds a compelling choice.


  • Driver Unit: 12 mm dome type, neodymium magnet
  • Sensitivity: 112 dB/mW
  • Frequency Response: 5 Hz - 24 kHz
  • Impedance: 16 ohms
  • Cord Length: 1.2m, gold-plated L-shaped stereo mini plug
  • Weight: 5 g without cord
  • Includes: 4 sizes (SS, S, M, L) silicone hybrid eartips

Box Contains:

  • MDRXB55AP Extra Bass Earbuds
  • Silicone eartips (SS, S, M, L sizes)
  • Drawstring carrying pouch
  • Instruction manual

Quick Setup

  1. Select desired eartip size and attach to earbuds
  2. Insert earbuds into ears and adjust until securely fit
  3. Connect 3.5mm plug to audio source
  4. Use inline remote to control music playback and phone calls
  5. Get lost in the bass!
Sony MDRXB55AP Extra Bass Earbuds