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PSB M4U 4

High-performance in-ear headphones (Black Diamond)

10 Reviews | 1 question - 1 answer

Item # 760M4U4IEB

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Overview

Our take on the PSB M4U 4

PSB is best known for their for their highly regarded speakers, which have a reputation for producing accurate, precise sound. Here at Crutchfield, we often use a set of PSB towers as reference speakers when testing out new home audio equipment. With the M4U 4 in-ear headphones, they've used a hybrid dual-driver technology called RoomFeel™ to re-create their stellar "listening room" experience in a compact, go-anywhere design.

Hear PSB's refined sound, everywhere you go

internal parts of the headphone

The PSB M4U 4 in-ear headphones (exploded view, pictured in white) use dynamic and balanced armature drivers for true-to-life sound that's tuned to sound like PSB speakers.

PSB is best known for their for their highly regarded speakers, which have a reputation for producing accurate, precise sound. Here at Crutchfield, we often use a set of PSB towers as reference speakers when testing out new home audio equipment. With the M4U 4 in-ear headphones, they've used a hybrid dual-driver technology called RoomFeel™ to re-create their stellar "listening room" experience in a compact, go-anywhere design.

Each earbud has a two-way crossover system and two types of drivers. A balanced armature driver delivers highs and mids with the kind of clarity worthy of PSB loudspeakers. At the same time, a dynamic driver produces bass so tight and deep, you can practically picture a pulsing woofer in front of you.

Find your fit and seal out sound leaks

So you can enjoy the M4U's natural sound comfortably, PSB includes six pairs of replaceable ear tips — three sizes of silicon gel tips and three sizes of Comply™ memory foam tips. The special foam tips are not only super-soft and breathable, but they also conform to your ear canal and create a tight seal. This helps stop ambient noise from making its way into your listening session, and keeps your music from leaking out.

Two detachable cables for listening at home or on the go

The PSB M4U 4 in-ear 'phones include two separate cables. There's a standard straight cable for listening at home or at your desk. When you're out and about, the other cable wraps around your ear, keeping the ear pieces sturdy and secure. This mobile cable also includes a three-button remote that gives you convenient iPhone® control. There's even a built-in mic for making and taking calls.

Product Highlights:

  • hybrid dual-driver technology combines balanced armature and dynamic drivers for realistic and robust sound
  • 2-way precision crossover system
  • two 47" detachable cables included, both terminated with a 3.5mm miniplug:
    • one straight, standard listening cable
    • one looped cable with in-line remote and microphone for controlling music and taking calls with an iPhone®
  • includes 6 pairs of ear tips for a customized, comfortable fit
    • 3 pairs of silicone tips
    • 3 pairs of Comply™ Tx-200 foam tips with wax guard
  • 1/4" adapter included
  • airline adapter included
  • protective travel case with carabiner
  • frequency range: 10-20,000 Hz
  • impedance: 16 ohms
  • weight: 0.88 ounces
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • In-ear headphones (black) with detachable 48" audio cable (3.5mm plug)
  • 55" Audio cable with in-line remote/mic (3.5mm plug)
  • 3 Pairs of silicon eartips (S/M/L)
  • 3 Pairs of Comply Foam eartips (S/M/L - Med pair installed)
  • Cable management clip
  • 3.5mm-to-1/4" adapter
  • Airline adapter
  • Carabiner clip
  • Zippered storage case
  • Quick Start Guide
  • Music for You card
  • Ear bud insertion diagram
  • Limited Warranty card
Reviews

PSB M4U 4 Reviews

Average Customer Review(s):

(10 Reviews)
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Details

Hands-on research

Features and Specs

General
Noise-canceling No
Bluetooth No
Mic For Taking Calls Yes
iPhone Control Yes
Lightning Connector No
Android Control No
Frequency Response 10-20k Hz
Sensitivity Not Given
Impedance 16 Ohms
Weight 0.7 ounces
Cord Length 48" + 55"
1/4-inch Adapter Included Yes
Volume Control Yes
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Features

Overview: The PSB M4U 4 high definition in-ear monitors are part of the Music for You (M4U) series of high performance headphones. The M4U 4s come with two detachable cables, cable management clip, airline and 1/4" adapters, 6 pairs of ear tips, and a semi-hard zippered storage case.

Hybrid Dual Drivers: The M4U 4 in-ear monitors feature a unique two-way Hybrid Dual-Driver design with a moving coil dynamic driver to handle the low frequencies and a low-mass balanced armature driver for the highs. A precision crossover network controls the frequencies, routing them to the appropriate drivers. The drivers and crossover are housed in a multi-chamber, vented ABS enclosure. This two-way design helps implement PSB's innovative RoomFeel technology, making the headphones sound as true-to-nature as a pair of loudspeakers in a typical listening room.

Ear Tips: The M4U 4 comes with a two types of ear tips, each in small, medium, and large sizes. The Comply Foam Tx-200 ear tips are made of soft, high-tech memory foam. The body heat-sensitive tips can be compressed to fit into your ear canal and expand to form an air-tight seal. This passive noise reduction seals out unwanted ambient noise and enhances the bass response. An integrated wax guard keeps ear wax from entering the sound port, which diminishes the sound quality. Also included are three pairs of silicon gel ear tips.

Cables: The M4U 4 includes two interchangeable, tangle-free cables. One cable (55" in length) has an in-line remote and microphone with a call answer button, microphone, and music playback controls for iPod, iPhone, and iPad. The other cable (48") has no remote or microphone. The package include a snap-on 3.5mm-to-1/4" adapter, airline adapter, and a cable management clip.

Compatibility: The remote and mic are supported by iPhone (3G through 6 Plus), iPad Air 2, iPad Air, iPad (2nd through 4th generation), iPad mini (1st through 3rd generation), iPod touch (2nd through 5th generation), iPod nano (4th through 7th generation, and iPod shuffle (3rd and 4th generation)

Specifications:

  • Frequency Response:
    • -10dB: 10Hz - 20kHz
    • -3dB: 15Hz - 20kHz
    • ±1.5dB: 20Hz - 20kHz
  • THD (1kHz/1mW): 0.25%
  • Sensitivity (1kHz/1mW): 102dB
  • Power Handling: 10mW maximum
  • Nominal Impedance: 16 ohms
  • Driver Size: 8mm
  • Weight: 0.7 ounces

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Based on on line reviews and customer comments. [ EDWARD  Sep 29, 2018 ]
Liked the overview evaluation of crutchfield experts as well as the details of the product subscription [ JON  Jun 30, 2018 ]
Wanted in-ear. Read extensive reviews both on Crutchfield and several external sites. Although not noise cancelling, these seemed to have the best combination of build quality, sound quality, and isolation via good fit. [ JOHN V  Mar 11, 2016 ]
Review and ratings [ Armin  Jan 21, 2016 ]

1 question already asked

These are designed to work with Apple devices. However, you can see some android compatible headphones here:http://www.crutchfield.com/shopsearch/android_headphones.html [ Jeff  Nov 05, 2015 ]  Staff
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