Ginzzu GM-427 vs Microlab B77

Basic Specifications

Ginzzu GM-427Microlab B77
Front speakers/satellites cabinet materialMDFMDF
Subwoofer cabinet materialMDFn/a
Front speakers depth

120 mm

221 mm

Height of front speakers

202 mm

266 mm

Width of front columns

105 mm

154 mm

Wall mountingNoNo
Weight of the setn/a

5.6 kg

Weight of frontal speakersn/a

5.6 kg

Subwoofer height

323 mm

n/a
Subwoofer width

170 mm

n/a
Subwoofer depth

345 mm

n/a

Interfaces

Ginzzu GM-427Microlab B77
Digital optical inputNoNo
USB Type A interface (for flash drive)YesNo
USB interface (for computer connection)NoNo
Digital coaxial inputNoNo
Support for SD memory cardsYesNo
Line input (stereo)YesYes
Headphone jackNoNo
Mains powerYesYes
Battery powerNoNo
BluetoothYesNo
Wireless connectionYesNo
Subwoofer outputNoNo
Line input (stereo) connectorRCARCA

Sound quality

Ginzzu GM-427Microlab B77
Number of front speakers

1

2

Magnetic shielding of front speakers/satellitesYesYes
Magnetic shielding of subwooferYesn/a
Total power (RMS)

60 W

48 W

Front speakers power

30 W

24 W

Maximum playback frequency

20000 Hz

20000 Hz

Minimum reproducible frequency

40 Hz

55 Hz

Signal to noise ratio

78 dB

70 dB

Subwoofer power

15 W

n/a
Separation of channelsn/a

52 dB

Functions

Ginzzu GM-427Microlab B77
HF adjustmentn/aYes
LF adjustmentn/aYes
DTS decoderNoNo
Dolby Pro Logic II decoderNoNo
Dolby Digital decoderNoNo
Remote controlwirelessn/a
Built-in tunerYesNo
Powered by USBNoNo
DTS ES decoderNoNo
Controls on front sideNon/a

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