Polk Audio Signa S4 Ultradünne Soundbar vs ULTIMEA Apollo S90 Soundbar 9.1 Kanal Bluetooth

What Signa S4 Ultradünne Soundbar does better (0) and where Apollo S90 Soundbar 9.1 Kanal Bluetooth wins (1) — every spec side by side.

0 advantages≈ $460

1 advantage≈ $370

6.7Sound8.8

Why is Signa S4 Ultradünne Soundbar better than Apollo S90 Soundbar 9.1 Kanal Bluetooth?

Signa S4 Ultradünne Soundbar has no measurable advantages in this pair.

Specifications

Only differences	Polk Audio Signa S4 Ultradünne Soundbar≈ $460	ULTIMEA Apollo S90 Soundbar 9.1 Kanal Bluetooth≈ $370
Sound
Speaker channels	3.1.2	9.1
Channel count	3.1	9.1
Subwoofer	Wireless subwoofer included	Wireless subwoofer included
Spatial / 3D audio	Yes	—
Dolby Atmos	Yes	Yes
Adjustable equaliser	—	Yes
Stereo	Yes	Yes
Battery & charging
Mains powered	Yes	Yes
Battery powered (portable)	No	No
Connectivity
Wireless	Yes	Yes
Bluetooth version	—	5.3
3.5 mm jack / AUX	—	Yes
HDMI inputs	—	2
Design & build
Width	1,046 mm	—
Colours	Black	Black
Features
Remote control	—	Yes