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Boatersland Marine > Fishfinders > Vexilar Fishing Electronics > Vexilar SP300 Sonarphone T-BOX Portable Kit
  Vexilar SP300 Sonarphone T-BOX Portable Kit
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Vexilar SP300 Sonarphone T-BOX Portable Kit

Item #: VEXSP300





In Stock - Ships the next business day.
No restocking fees on return.
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12 volt portable battery pack to take your SonarPhone anywhere

The T-BOX (SP300) options come in a portable system with a carry case to hold the battery and transducer cable. Your transducer is easily suction cup mounted on your boat. Easy to install on any boat, the skimmer style transdcuer and suction cup bracket can be used safely at speeds of 15 miles per hour. A safety cord is also supplied.

The SP300 comes with a 12 volt, 4.5 amp hour rechargeable battery and you also get a fully automatic 1 amp digital charger for rapid re-charging and with no worries of over-charging the battery. Your SP300 will run for nearly 20 hours on a single charge!

The SP300 T-BOX has a powerful, dual-beam 20/40 degree, 200 kHz transducer for reaching depths of 240 feet.

The SonarPhone SP300 creates its own WiFi hotspot so it can be used anywhere in the world and does not require cell phone coverage. You can share your signal with as many people as you wish, the software app is downloaded for free from the App Store or Google Play and works with both Android and IOS systems.

The SP300 also comes with a FREE neoprene arm band ($19.95 value) so you will have easy and safe access to your phone display at all times.


  • Compatibility: iOS 4.3 (iPhone, iPad) and Android 2.0
  • Free App download
  • Automatic Ranging
  • Water Temperature & Depth Indicator
  • Audible Alarms for Fish, Shallow and Low Battery
  • Fish Icon
  • Zoom Bottom Track
  • Noise Rejection
  • Surface Clarity
  • Battery Indicator
  • One year warranty


  • Depth Range Max: 240 feet (73M)
  • Portable carry case with rechargeable 12 volt battery enclosed
  • 200/83 kHz Dual Beam with 20 and 40 degree cone options
  • High Speed skimmer-style transducer w/20 ft cable and suction cup mounting system
  • Requires 12 volt power supply
  • 1 amp, fully automatic battery charger
  • WiFi signal transmit range of 300 feet
  • Run time over 15 hours of continuous use per charge
  • 800 watts Peak to Peak
  • Touch Screen with split-screen zoom and bottom track control

Did you Know?

ALL products we sell are factory new and come with the full Manufacturers Warranty!

Related products
Vexilar SP100 Sonarphone Transducer Pod |  Vexilar SP200 Sonarphone T-BOX Permanent Transom Mount |  Vexilar SP300 Sonarphone T-BOX Portable Kit

Vexilar SP300 Sonarphone T-BOX Portable Kit - Vexilar Fishing Electronics