Standard Horizon 10W Amplified External Speaker - Black PMBOSTA3 You also can upgrade to

You also can upgrade to high-performance Garmin CHIRP technology

The stealth light bar has an impressive Osram 5W Osram LED

It's easy to upgrade to a Simrad autopilot system

Reversing Solenoid Pack - 12V

Storage Temperature Range: -30°C to +70°C (-22°F to +158°F)

Standard Horizon 10W Amplified External Speaker - Black PMBOSTA3 You also can upgrade to10W Amplified External Speaker Black Redesigned for clear, crisp, and audible reception, the Standard Horizon MLS 410PA is setting the bar on external speakers. With 10 Watts of amplification built in, this compact high performance communications speaker matches the impedance and output requirements of most Standard Horizon transceivers. Compatible With: Standard Horizon VLH 3000A and older models, GX2000 2150 2200 1700 1600 Features: Flush or bracket