49points

AKG K77 Perception

57points

Klipsch Reference S4i

95points

Plantronics BackBeat Pro 2

AKG K77 Perception
Klipsch Reference S4i
Comparison winner
Plantronics BackBeat Pro 2
vs
vs

26 facts in comparison

AKG K77 Perception vs Klipsch Reference S4i vs Plantronics BackBeat Pro 2

AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2
49
points
57
points
95
points

Why is AKG K77 Perception better than Klipsch Reference S4i & Plantronics BackBeat Pro 2?

  • Has a tangle free cable

Why is Klipsch Reference S4i better than AKG K77 Perception & Plantronics BackBeat Pro 2?

  • Lowest frequency
    10Hzvs18,20Hz
  • Impedance
    18 Ohmsvs32,32 Ohms
  • Weight
    11.9gvs190,289g
  • Has an in-line control panel
  • Has an in-ear form

Why is Plantronics BackBeat Pro 2 better than AKG K77 Perception & Klipsch Reference S4i?

  • Has a detachable cable
  • Has active noise cancelling (noise reduction)
  • Can be folded
  • Can be used wirelessly
  • Control panel placed on a device
  • Has a battery level indicator
  • Has an L-shaped plug
  • Has a rechargeable battery

Top specs and features

Design

1.has stereo speakers
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

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
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

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

3.has an over-the-ear form
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.

4.weight

190g

11.9g

289g

Best

Sony MDR-EX150AP

3g

5.can be folded
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

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

6.has a tangle free cable
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

The cable is designed to minimize tangling.

Sound quality

1.highest frequency

20000Hz

19000Hz

20000Hz

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

2.lowest frequency

18Hz

10Hz

20Hz

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

3.has sound isolation/passive noise reduction
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

4.sound pressure level

112dB/mW

110dB/mW

93dB/mW

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

Best

AKG K553 Pro

144dB/mW

5.impedance

32 Ohms

18 Ohms

32 Ohms

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

Best

Flips Solo 2 Social

4 Ohms

6.has active noise cancelling (noise reduction)
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.

Power

1.has a battery level indicator
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

An indicator shows you when the device has low battery.

2.has a rechargeable battery
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

The battery can be recharged and used over again.

Connectivity

1.Can be used wirelessly
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

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
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

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.

2.can be used as a headset
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.

3.has an in-line control panel
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

There is a control panel on the cable, so you can easily operate the device without having to interact with it.

4.has a mute function
AKG K77 Perception
Klipsch Reference S4i
Plantronics BackBeat Pro 2

The device has an option to mute/unmute a conversation directly from the device.

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