Product comparison · 2 portable stereo systems

Grundig GRB 4000 BT vs Philips AZ391X/78 portable stereo system Analog

19specifications compared
11differ
8identical
27known for one product only

Key differences

The Grundig GRB 4000 BT has 1 W more RMS rated power than the Philips AZ391X/78 portable stereo system Analog (3 W vs 2 W). The Grundig GRB 4000 BT has 2 mm more width than the Philips AZ391X/78 portable stereo system Analog (245 mm vs 243 mm). The Grundig GRB 4000 BT has 46 mm more depth than the Philips AZ391X/78 portable stereo system Analog (245 mm vs 199 mm). Tuner type: Digital on the Grundig GRB 4000 BT, Analog on the Philips AZ391X/78 portable stereo system Analog. Supported radio bands: DAB+, FM on the Grundig GRB 4000 BT, AM, FM, MF on the Philips AZ391X/78 portable stereo system Analog.

Tuner type
- GRB 4000 BT:Digital
- AZ391X/78 portable stereo system Analog:Analog
Supported radio bands
- GRB 4000 BT:DAB+, FM
- AZ391X/78 portable stereo system Analog:AM, FM, MF
Disc types supported
- GRB 4000 BT:CD-R, CD-RW
- AZ391X/78 portable stereo system Analog:CD, CD-R, CD-RW
RMS rated power
- GRB 4000 BT:3 W
- AZ391X/78 portable stereo system Analog:2 W
Product colour
- GRB 4000 BT:Black, Silver
- AZ391X/78 portable stereo system Analog:Black, Orange
AC input voltage
- GRB 4000 BT:230 V
- AZ391X/78 portable stereo system Analog:110-240 V
Width
- GRB 4000 BT:245 mm
- AZ391X/78 portable stereo system Analog:243 mm
Depth
- GRB 4000 BT:245 mm
- AZ391X/78 portable stereo system Analog:199 mm

Side by side

Differences highlightedShow differences only

Comparison of GRB 4000 BT, AZ391X/78
46 specifications	A Grundig GRB 4000 BT View product	B Philips AZ391X/78 portable stereo system Analog Model AZ391X/78 View product
Radio2 differ
Tuner typeDiffers	Digital	Analog
Supported radio bandsDiffers	DAB+, FM	AM, FM, MF
Preset stations quantityKnown for one	20	Unknown — not stated by the source
Optical drive2 differ
Optical drive typeKnown for one	Player	Unknown — not stated by the source
Disc types supportedDiffers	CD-R, CD-RW	CD, CD-R, CD-RW
Playback modesDiffers	Program, Random, Repeat all, Repeat one, Resume	Fast Backward, Fast forward, Next, Previous, Repeat, Shuffle
Frequency rangeKnown for one	20 - 20000 Hz	Unknown — not stated by the source
Disc loading typeKnown for one	Top	Unknown — not stated by the source
Cassetteidentical
Cassette deck	No	No
Loudspeakers1 differ
RMS rated powerDiffers	3 W	2 W
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Audioidentical
Audio formats supportedKnown for one	MP3, WMA	Unknown — not stated by the source
Displayidentical
Built-in displayKnown for one	Yes	Unknown — not stated by the source
Display type	LCD	LCD
Features1 differ
MP3 playback	Yes	Yes
USB direct playback	Yes	Yes
Control typeKnown for one	Buttons, Rotary	Unknown — not stated by the source
Volume control	Rotary	Rotary
Product colourDiffers	Black, Silver	Black, Orange
Carrying handle(s)Known for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
PLL synthesizerKnown for one	Yes	Unknown — not stated by the source
FM antennaKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Headphone outKnown for one	Yes	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
USB 2.0 ports quantity	1	1
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	5.0	Unknown — not stated by the source
Audio inputKnown for one	Unknown — not stated by the source	1
Power1 differ
Power source	AC/Battery	AC/Battery
AC input voltageDiffers	230 V	110-240 V
Number of batteries supported	6	6
Battery voltageKnown for one	1.5 V	Unknown — not stated by the source
Compatible battery sizesKnown for one	Unknown — not stated by the source	C
Packaging contentidentical
QuantityKnown for one	1	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	245 mm	243 mm
DepthDiffers	245 mm	199 mm
HeightDiffers	139 mm	124 mm
WeightDiffers	1.65 kg	1.4 kg
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	283 mm
Package depthKnown for one	Unknown — not stated by the source	164 mm
Package heightKnown for one	Unknown — not stated by the source	241 mm
Package weightKnown for one	Unknown — not stated by the source	1.8 kg
Batteryidentical
Battery typeKnown for one	Unknown — not stated by the source	LR14

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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