51points

JBL Synchros S400BT

55points

Pioneer SE-MJ591

JBL Synchros S400BT
Comparison winner
Pioneer SE-MJ591
vs
vs

13 facts in comparison

JBL Synchros S400BT vs Pioneer SE-MJ591

JBL Synchros S400BT
Pioneer SE-MJ591
JBL Synchros S400BT
Pioneer SE-MJ591
51
points
55
points

Why is JBL Synchros S400BT better than Pioneer SE-MJ591?

  • Can be used wirelessly
  • Control panel placed on a device

Why is Pioneer SE-MJ591 better than JBL Synchros S400BT?

  • 18000Hz higher high-frequency
    40000Hzvs22000Hz
  • 5Hz lower low-frequency
    5Hzvs10Hz
  • Has stereo speakers
  • Travel bag is included

Top specs and features

Design

1.has stereo speakers
JBL Synchros S400BT
Pioneer SE-MJ591

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has a detachable cable
JBL Synchros S400BT
Pioneer SE-MJ591

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

3.can be folded
JBL Synchros S400BT
Pioneer SE-MJ591

Folding devices are good for transporting as they take up less space in your bag.

4.travel bag is included
JBL Synchros S400BT
Pioneer SE-MJ591

The device comes with its own special case or pouch, which is useful for safe transportation.

5.has an on-ear form
JBL Synchros S400BT
Pioneer SE-MJ591

This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.

6.has a straight plug
JBL Synchros S400BT
Pioneer SE-MJ591

A straight plug is better when the jack is on the top or bottom of your player.

Sound quality

1.lowest frequency

10Hz

5Hz

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

Best

Sony MH1CBLK

1Hz

2.highest frequency

22000Hz

40000Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

Best

Sony MDR-Z1R

120000Hz

3.sound pressure level

115dB/mW

108dB/mW

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

Best

AKG K553 Pro

144dB/mW

4.driver unit size

40mm

40mm

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

Best

Audeze LCD2 Classic

106mm

Connectivity

1.Can be used wirelessly
JBL Synchros S400BT
Pioneer SE-MJ591

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
JBL Synchros S400BT
Pioneer SE-MJ591

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

Features

1.control panel placed on a device
JBL Synchros S400BT
Pioneer SE-MJ591

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.

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