Marine Entertainment Accessories – Boat Audio, Video & Speaker Gear

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Suncoast Marine Supply offers JL Audio XD-PCS4-1B Premium Single Amplifier Power Connection Kit
Save 32%
JL Audio XD-PCS4-1B Premium Single Amplifier Power Connection Kit
$134.99 $199.99
Suncoast Marine Supply offers JL Audio 1/0 AWG Amp Power Kit XD-PCS1/0-2B
Save 36%
JL Audio 1/0 AWG Amp Power Kit XD-PCS1/0-2B
$414.99 $649.99
Suncoast Marine Supply offers JL Audio 4 AWG Amp Wiring Kit 100A ANL 2 Amp XD-PCS4-2B
Sold Out
JL Audio 4 AWG Amp Wiring Kit 100A ANL 2 Amp XD-PCS4-2B
$196.99 $299.99
Suncoast Marine Supply offers JL Audio XD-ACS60 60-Amp Amplifier Connection Kit Suncoast Marine Supply offers JL Audio XD-ACS60 60-Amp Amplifier Connection Kit
Save 34%
JL Audio XD-ACS60 60-Amp Amplifier Connection Kit
$104.99 $159.99
Suncoast Marine Supply offers DS18 BTC-FIVE Bluetooth 5.3 Marine & Powersports Wireless Receiver Suncoast Marine Supply offers DS18 BTC-FIVE Bluetooth 5.3 Marine & Powersports Wireless Receiver
DS18 BTC-FIVE Bluetooth 5.3 Marine & Powersports Wireless Receiver
$71.95
Suncoast Marine Supply offers JL Audio 12V Single Amplifier Power Connection Kit
Save 16%
JL Audio 12V Single Amplifier Power Connection Kit
$309.99 $369.99
Suncoast Marine Supply offers Fusion 10" Classic Flush Mount White Grille Suncoast Marine Supply offers Fusion 10" Classic Flush Mount White Grille
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Fusion 10" Classic Flush Mount White Grille
$39.99
Suncoast Marine Supply offers JL Audio Surface Mount Fixture for ETXv2 and ETXv3 Suncoast Marine Supply offers JL Audio Surface Mount Fixture for ETXv2 and ETXv3
Sold Out
JL Audio Surface Mount Fixture for ETXv2 and ETXv3
$454.99 $549.99
Suncoast Marine Supply offers JL Audio ETXv3 2.25" Swivel Pipe Mount (Pair) Suncoast Marine Supply offers JL Audio ETXv3 2.25" Swivel Pipe Mount (Pair)
Save 15%
JL Audio ETXv3 2.25" Swivel Pipe Mount (Pair)
$252.99 $299.99
Suncoast Marine Supply offers JL Audio ETXv3 1.9" Swivel Pipe Mounts – Pair Suncoast Marine Supply offers JL Audio ETXv3 1.9" Swivel Pipe Mounts – Pair
Sold Out
JL Audio ETXv3 1.9" Swivel Pipe Mounts – Pair
$292.99 $349.99
Suncoast Marine Supply offers JL Audio 2.375" ETXv3 Swivel Pipe Mount Suncoast Marine Supply offers JL Audio 2.375" ETXv3 Swivel Pipe Mount
Save 16%
JL Audio 2.375" ETXv3 Swivel Pipe Mount
$292.99 $349.99
Suncoast Marine Supply offers JL Audio MediaMaster NMEA 2000 MFD Interface Suncoast Marine Supply offers JL Audio MediaMaster NMEA 2000 MFD Interface
Save 10%
JL Audio MediaMaster NMEA 2000 MFD Interface
$471.99 $529.99
Suncoast Marine Supply offers JL Audio ETXv3 2.5" Swivel Pipe Mount Pair Suncoast Marine Supply offers JL Audio ETXv3 2.5" Swivel Pipe Mount Pair
Save 16%
JL Audio ETXv3 2.5" Swivel Pipe Mount Pair
$333.99 $399.99

From speaker accessories and mounting kits to audio/video cables, connection kits, and more

Suncoast Marine Supply delivers authorized, marine-grade solutions that outperform the big box stores. Shop our accessories for easy installation, lasting durability, and unmatched value — backed by secure checkout, fast shipping, and expert support.

Elevate your marine entertainment setup with premium Marine Entertainment Accessories from top brands like JL Audio. Whether you’re upgrading boat speakers, adding wiring harnesses, installing marine video components, or improving connectivity at sea, our curated collection has the gear you need for crisp, powerful sound and reliable performance on the water.