Philips GoGear MP3 player SA2RGA02SN/02 vs Philips GoGear MP3 player SA2RGA04SN/02

Comparison of SA2RGA02SN/02, SA2RGA04SN/02

36 specifications	A Philips GoGear MP3 player SA2RGA02SN/02 Model SA2RGA02SN/02 View product	B Philips GoGear MP3 player SA2RGA04SN/02 Model SA2RGA04SN/02 View product
Performanceidentical
Firmware upgradeable	Yes	Yes
Designidentical
Product colour	Black, Silver	Black, Silver
Storage1 differ
Player media type	Flash memory	Flash memory
Total storage capacityDiffers	2 GB	4 GB
Displayidentical
Display	LCD	LCD
Display diagonal	2.54 cm (1")	2.54 cm (1")
Display resolution	128 x 64 pixels	128 x 64 pixels
BacklightKnown for one	Yes	—Unknown — not stated by the source
File formatsidentical
Audio formats supported	APE, FLAC, MP3, WAV, WMA	APE, FLAC, MP3, WAV, WMA
Headphonesidentical
Headphone connectivity	3.5 mm	3.5 mm
Audioidentical
Output power per channelKnown for one	2.4 mW	—Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)	84 dB	84 dB
MP3 bit ratesKnown for one	8 - 320 Kbit/s	—Unknown — not stated by the source
WMA bit ratesKnown for one	5 - 320 Kbit/s	—Unknown — not stated by the source
Channel separationKnown for one	45 dB	—Unknown — not stated by the source
Frequency range	20 - 18000 Hz	20 - 18000 Hz
Equalizer bands quantityKnown for one	7	—Unknown — not stated by the source
Equalizer modes	Custom	Custom
EqualizerKnown for one	—Unknown — not stated by the source	Yes
Radioidentical
FM radio	No	No
Record modesidentical
Voice recording	Yes	Yes
Built-in microphone	Yes	Yes
Poweridentical
Rechargeable	Yes	Yes
Continuous audio playback time	22 h	22 h
Batteryidentical
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Battery capacity	220 mAh	220 mAh
Weight & dimensionsidentical
Weight	30 g	30 g
Depth	13.6 mm	13.6 mm
Height	46 mm	46 mm
Width	43.3 mm	43.3 mm
Other features1 differ
Compatible operating systemsDiffers	Windows XP (SP2) / Windows Vista / Windows 7	Windows XP (SP3)/Windows Vista/Windows 7
USB powered	Yes	Yes
Output power descriptionKnown for one	2.4	—Unknown — not stated by the source
Superscroll	Yes	Yes
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	1
Packaging contentidentical
User guideKnown for one	—Unknown — not stated by the source	Yes

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.