
Logitech Z906 Black
Score: 80/100
Audioengine A2+
Score: 80/100Rankings

The Logitech Z906 is a THX-certified 5.1 surround system delivering 500 W RMS for immersive home-theater audio. Its fully wired design and lack of wireless connectivity limit flexibility for modern setups. Ideal for gamers and movie enthusiasts who prioritize raw power and surround decoding over wireless convenience.

The Audioengine A2+ Wireless is a compact 2.0 powered desktop speaker system delivering up to 60 W peak power with high-resolution Bluetooth 5.0 connectivity and excellent clarity. Its limited bass extension and occasional high-frequency instability at max volume may disappoint bass-heavy listeners. Ideal for small-desk or near-field listening where space is at a premium.
| Attribute | ![]() | ![]() |
|---|---|---|
500 Wbest | 15 W | |
— | 4 Ωbest | |
| ↓ lower better | 8.892 kg | 3 kgbest |
5.1best | 2 | |
95 dBbest | 95 dBbest | |
| ↓ lower better | — | 0.05 %best |
2 years | 3 yearsbest | |
7.62 cmbest | 7 cm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
Warranty (years) | 2 years | 3 years |
Controls(1) | ||
Remote Control | true | false |
Audio(5) | ||
Frequency Response (kHz) | 0.035-20 kHz | 65-22 kHz |
Channels | 5.1 | 2 |
RMS Power (W) | 500 W | 15 W |
Driver Size (cm) | 7.62 cm | 7 cm |
Woofer Size (cm) | 20.32 cm | 7 cm |
Build & Design(1) | ||
Weight (kg) | 8.892 kg | 3 kg |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Z906's standout strength as its high power output and THX certification, praising its ability to fill a room with loud, detailed sound, while also noting the limitation of a fully wired setup and the absence of modern wireless features.
Professional reviewers highlight the Z906's standout strength as its high power output and THX certification, praising its ability to fill a room with loud, detailed sound, while also noting the limitation of a fully wired setup and the absence of modern wireless features.

Professional reviewers commend the A2+ for delivering studio-grade clarity and punch from a compact enclosure, noting its high SNR, low distortion, and solid MDF construction. While the soundstage and detail are praised, critics consistently point out the limited bass extension and occasional instability at maximum output, recommending larger models like the A5+ for users needing more low-frequency impact.
Consumers appreciate the A2+ for its big, clear sound relative to its size, easy Bluetooth setup, and desk-friendly design. The most common criticisms revolve around thin bass response, the absence of accessories such as stands or a subwoofer, and occasional high-frequency instability when pushed hard.
“nice detail and punch for their size”

“CNET calls the stereo imaging unmatched by single wireless speakers”
