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  3. Marine 3300M DSC vs SX-350

Jopix Marine 3300M DSC vs Plastimo SX-350

What Marine 3300M DSC does better (1) and where SX-350 wins (1) — every spec side by side.

Jopix Marine 3300M DSC
Jopix · 2026Marine 3300M DSC
7.4Score
1 advantage≈ £190
vs
Plastimo SX-350
Plastimo · 2026SX-350
8.0Score
1 advantage≈ £95
Higher score
3.8Ruggedness7.8
Dimensions

Size comparison

Marine 3300M DSCSX-350
165 × 16378120 × 6335
Marine 3300M DSCSX-350Difference
Height163 mm63 mm+100 mm
Width165 mm120 mm+45 mm
Depth78 mm35 mm+43 mm
Weight1,072 g201 g+871 g

Drawn to the same scale from the official dimensions (front and side).

Why is Marine 3300M DSC better than SX-350?

  1. Transmit power25 W vs 3.5 W7.1×

Why is SX-350 better than Marine 3300M DSC?

  1. Weight1,072 g vs 201 g5.3×
Specifications

Side by side

Plastimo SX-350Plastimo SX-350≈ £958.0
Radio & range
Radio standardsAmateur VHF, Marine VHFAmateur VHF, Marine VHF
Frequency ranges156.025 - 163.275 MHz156 - 163.275 MHz
Transmit power25 W3.5 W
Channels56—
Squelchadjustableadjustable
Power & battery
Battery capacity—1,750 mAh
Battery voltage13.8 V3.7 V
Power sourceMains / 12 V vehicleRechargeable pack
USB-C charging—Yes
Battery level indicator—Yes
Design & durability
Weight1,072 g201 g
Width165 mm120 mm
Height163 mm63 mm
Depth78 mm35 mm
Protection ratingIP67IPX7
Water protection (IPx)IPx7IPx7
Floats—Yes
DisplayBacklit displayBacklit display
ColoursBlackBlack
Features
Channel scanYesYes
Dual watchYesYes
Emergency / SOS alarm—Yes
Key lock—Yes
PC programmable—Yes
Connectivity
Headset / earpiece jackYesYes
Connectors—USB-C
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