Logitech Z523 vs Altec VS2621 comparison

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Comparison chart

Logitech Z523
Altec VS2621

Common

Model

Z523
VS2621

Brand

Logitech
Altec

Rating on Amazon

4.1
3.8

Reviews on Amazon

964
2906

General

Type

2.1
2.1

Total output power

40 W
28 W

Driver quantity (per channel)

2
1

Sound

Frequency response

40 Hz-20 kHz
45 Hz-18 kHz

Speakers power (per channel)

9.5 W
7.5 W

Subwoofer power

21 W
13 W

Signal-to-noise ratio

80 dB
93 dB

Total harmonic distortion

0,1
0,1

Connections

3.5mm input

2
1

RCA input

2
0

3.5mm output

1
1

USB

0
0

Connectivity technology

wired
wired

Controls

Volume

Bass

Treble

Amplifier

Amplification type

active
active

Integrated

Input impedance

Speakers

6 Ohm
8 Ohm

Subwoofer

4 Ohm
4 Ohm

Compatible with

PC

TV

Smartphones

PlayStation

Xbox

Features

Color

black
black

USB powered

Wired control pod

Warranty

2 Years
3 Years

Dimensions

Speakers size

11.6 x 3.4 x 5.2 inches
5.1 x 5.2 x 4.7 inches

Speakers weight

2.2 pounds
4 pounds

Subwoofer size

10 x 9 x 9.5 inches
4.9 x 8.8 x 10.3 inches

Subwoofer weight

4.2 pounds
4.3 pounds