Product comparison · 2 mp3/mp4 players

Philips Flash audio player SA2121/02 vs Philips Flash audio player SA4124/02

19specifications compared
7differ
12identical
27known for one product only

Key differences

Signal-to-Noise Ratio (SNR)
- Flash audio player SA2121/02:80 dB
- Flash audio player SA4124/02:85 dB
WMA bit rates
- Flash audio player SA2121/02:64 - 320 Kbit/s
- Flash audio player SA4124/02:5 - 192 Kbit/s
Frequency range
- Flash audio player SA2121/02:80 - 18000 Hz
- Flash audio player SA4124/02:30 - 18000 Hz
FM radio
- Flash audio player SA2121/02:No
- Flash audio player SA4124/02:Yes
Battery type
- Flash audio player SA2121/02:AAA / LR03 Alkaline
- Flash audio player SA4124/02:AAA / LR03
Compatible operating systems
- Flash audio player SA2121/02:Windows 2000, Me, XP
- Flash audio player SA4124/02:Windows XP (SP2)

Side by side

Differences highlightedShow differences only

Comparison of SA2121/02, SA4124/02
46 specifications	A Philips Flash audio player SA2121/02 Model SA2121/02 View product	B Philips Flash audio player SA4124/02 Model SA4124/02 View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Storageidentical
Player media type	Flash memory	Flash memory
Total storage capacity	2 GB	2 GB
Displayidentical
Display	LCD	LCD
Display resolution	32 x 128 pixels	32 x 128 pixels
Display number of lines	2 lines	2 lines
BacklightKnown for one	Yes	Unknown — not stated by the source
File formatsidentical
Audio formats supportedKnown for one	Unknown — not stated by the source	MP3, WMA
Headphonesidentical
Headphone connectivity	3.5 mm	3.5 mm
Audio4 differ
Signal-to-Noise Ratio (SNR)Differs	80 dB	85 dB
MP3 bit rates	8 - 320 Kbit/s	8 - 320 Kbit/s
WMA bit ratesDiffers	64 - 320 Kbit/s	5 - 192 Kbit/s
Frequency rangeDiffers	80 - 18000 Hz	30 - 18000 Hz
WMA sample ratesDiffers	8, 11.025, 16, 22.050, 32, 44.1, 48 kHz	8, 11.025, 16, 22.050, 32, 44.1, 48
EqualizerKnown for one	Unknown — not stated by the source	Yes
Channel separationKnown for one	35 dB	Unknown — not stated by the source
Radio1 differ
FM radioDiffers	No	Yes
Supported radio bandsKnown for one	Unknown — not stated by the source	FM
Record modesidentical
Voice recordingKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Continuous audio playback timeKnown for one	Unknown — not stated by the source	10 h
Battery typeDiffers	AAA / LR03 Alkaline	AAA / LR03
Batteryidentical
Battery technology	Alkaline	Alkaline
System requirementsidentical
Optical drive required	Yes	Yes
USB requiredKnown for one	Unknown — not stated by the source	Yes
Internet connection requiredKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
DepthKnown for one	Unknown — not stated by the source	23 mm
HeightKnown for one	Unknown — not stated by the source	77.8 mm
WidthKnown for one	Unknown — not stated by the source	31.5 mm
Other features1 differ
Dimensions (WxDxH)	31.5 x 23 x 77.8 mm	31.5 x 23 x 77.8 mm
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
Audio recording formatsKnown for one	Unknown — not stated by the source	ADPCM
Compatible operating systemsDiffers	Windows 2000, Me, XP	Windows XP (SP2)
Headphone outputsKnown for one	Unknown — not stated by the source	1
Internal memory type	NAND	NAND
USB poweredKnown for one	Unknown — not stated by the source	Yes
Blister dimensions (W x D x H)	135 x 38 x 195	135 x 38 x 195
FunctionsKnown for one	Keypad lock	Unknown — not stated by the source
Lead-free soldered productKnown for one	Yes	Unknown — not stated by the source
Mass storage class compliantKnown for one	Yes	Unknown — not stated by the source
Device managerKnown for one	to restore and upgrade	Unknown — not stated by the source
Supported batteriesKnown for one	AAA Alkaline	Unknown — not stated by the source
Performanceidentical
Firmware upgradeableKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	Clamshell	Unknown — not stated by the source
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
User guideKnown for one	Yes	Unknown — not stated by the source

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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