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  3. BlueBound 350 vs SX-350

Cobra BlueBound 350 vs Plastimo SX-350

What BlueBound 350 does better (1) and where SX-350 wins (1) — every spec side by side.

Cobra BlueBound 350
Cobra · 2026BlueBound 350
6.5Score
1 advantage≈ £140
vs
Plastimo SX-350
Plastimo · 2026SX-350
8.0Score
1 advantage≈ £95
Higher score
6.5Ruggedness7.8
Dimensions

Size comparison

BlueBound 350SX-350
255 × 6652120 × 6335
BlueBound 350SX-350Difference
Height66 mm63 mm+3 mm
Width255 mm120 mm+135 mm
Depth52 mm35 mm+17 mm
Weight268 g201 g+67 g

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

Why is BlueBound 350 better than SX-350?

  1. Transmit power6 W vs 3.5 W+71%

Why is SX-350 better than BlueBound 350?

  1. Weight268 g vs 201 g+33%
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 power6 W3.5 W
Channels215—
Squelchadjustableadjustable
Power & battery
Battery capacity—1,750 mAh
Battery voltage7.4 V3.7 V
Power sourceRechargeable packRechargeable pack
USB-C charging—Yes
Battery level indicatorYesYes
Design & durability
Weight268 g201 g
Width255 mm120 mm
Height66 mm63 mm
Depth52 mm35 mm
Protection ratingIPX7IPX7
Water protection (IPx)IPx7IPx7
FloatsYesYes
DisplayBacklit displayBacklit display
ColoursOrange, BlackBlack
Features
Channel scanYesYes
Dual watch—Yes
Emergency / SOS alarmYesYes
Key lockYesYes
Roger beepYes—
PC programmable—Yes
Connectivity
Headset / earpiece jackYesYes
Connectors—USB-C
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