Product comparison · 2 keyboards

KeySonic ACK-540BT keyboard USB QWERTZ Black vs KeySonic ACK-540U+ keyboard USB Black

18specifications compared
4differ
14identical
8known for one product only

Key differences

Keyboard weight
- ACK-540BT keyboard USB QWERTZ Black:657 g
- ACK-540U+ keyboard USB Black:665 g
Package weight
- ACK-540BT keyboard USB QWERTZ Black:880 g
- ACK-540U+ keyboard USB Black:860 g
Case or master carton dimensions (W x D x H)
- ACK-540BT keyboard USB QWERTZ Black:520 x 335 x 335 mm
- ACK-540U+ keyboard USB Black:520 x 335 x 325 mm

Side by side

Differences highlightedShow differences only

Comparison of ACK-540BT, ACK-540U+
26 specifications	A KeySonic ACK-540BT keyboard USB QWERTZ Black Model ACK-540BT View product	B KeySonic ACK-540U+ keyboard USB Black Model ACK-540U+ View product
Keyboardidentical
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Keyboard number of keys	88	88
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
Featuresidentical
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Plug and Play	Yes	Yes
Cable lengthKnown for one	Unknown — not stated by the source	1.9 m
Poweridentical
Battery typeKnown for one	AAA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
System requirementsidentical
Mac operating systems supported	No	No
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Operating relative humidity (H-H)	10 - 85%	10 - 85%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)	291 x 197 x 29 mm	291 x 197 x 29 mm
Keyboard weightDiffers	657 g	665 g
Packaging data1 differ
Package dimensions (WxDxH)	312 x 245 x 31 mm	312 x 245 x 31 mm
Package weightDiffers	880 g	860 g
Other features1 differ
Compatible operating systemsDiffers	Win 98SE / ME / 2000/ Vista/ XP	Win 98SE / ME / 2000 / XP / Vista
Internal	No	No
Logistics data1 differ
Case or master carton dimensions (W x D x H)Differs	520 x 335 x 335 mm	520 x 335 x 325 mm
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84716060

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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