AKG K77 PerceptionNAD Viso HP20
Top 38%420 points
Top 38%
Top 55%308 points
Top 55%
AKG K77 Perception
NAD Viso HP20
vs
Top specs and features

AKG K77 Perception vs NAD Viso HP20: 16 facts in comparison

1. highest frequency

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

2. lowest frequency

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

3. impedance

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.

4. sound pressure level

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

5. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
AKG K77 Perception
NAD Viso HP20
73% have it

6. has a tangle free cable

The cable is designed to minimize tangling.
AKG K77 Perception
NAD Viso HP20
26% have it

7. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.
AKG K77 Perception
NAD Viso HP20
45% have it

8. has an L-shaped plug

An L-shaped plug is better if the jack is on the left or right side of the device, so that the cable isn't bent, and is less likely to break when the device is in your pocket.
AKG K77 Perception
NAD Viso HP20
31% have it

9. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K77 Perception
NAD Viso HP20
44% have it

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K77 Perception
NAD Viso HP20
55% have it

11. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K77 Perception
NAD Viso HP20
15% have it

12. has an over-the-ear form

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.
AKG K77 Perception
NAD Viso HP20
42% have it

13. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K77 Perception
NAD Viso HP20
65% have it

14. has an earbud form

The earbud form is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. For some people it is more comfortable than in-ear form.
AKG K77 Perception
NAD Viso HP20
4% have it

15. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
AKG K77 Perception
NAD Viso HP20
87% have it

16. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.
AKG K77 Perception
NAD Viso HP20
33% have it

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