MB-21 8 Watt VHF Extension Speaker - Black. These waterproof communication speakers can be mounted where you can hear your VHF radio. This compact marine communications speaker includes a stainless steel mounting bracket and stainless steel grill.
eBay
6.5-inch Integrated Speaker Empty Box,DIY Dual Speaker Box,Two-way Home Speaker Housing,1Piece Wooden Speaker Box,DIY Sound Box
Aliexpress UK
MB-21 8 Watt VHF Extension Speaker - White. These waterproof communication speakers can be mounted where you can hear your VHF radio. This compact marine communications speaker includes a stainless steel mounting bracket and stainless steel grill.
eBay
AIYIMA 2Pcs Portable Audio Speaker 4 Ohm 15 W Full Range Loudspeaker DIY Sound Mini BT Speaker For Home Theater
Aliexpress UK
MB-41 10 Watt VHF Extension Speaker - Black. Speaker Impedance - 4 ohm. Weight - 1.05 lbs per speaker. 10' Lead wire w/mini-plug and RCA adapter. Peak Power Handling 10 watts.
eBay
Music Sound Column Speaker Stereo Music Player Portable Mini Charging Small Speaker 3.5mm Inline External Speaker
Aliexpress UK
Bluetooth Speakers Neckband Wireless Wearable Speakers Home Outdoor Wireless Speakers 10Hrs True 3D Stereo Sound with Microphone
Aliexpress UK
TG117 Outdoor Bluetooth Speaker Portable Wireless Speaker Column Dual Bass Sound Bar Subwoofer Music Player Loudspeaker FM Radio
Aliexpress UK
AIYIMA 1Pc 4Inch Audio Portable Speaker 4 Ohm 15W Bass Speaker DIY Professional Multimedia Subwoofer Speakers For Sound System
Aliexpress UK
AIYIMA 2Pcs 2 Inch Full Range Speaker 4 Ohm 5W Mini Woofer Speakers DIY Home Theater Audio Subwoofer Loudspeaker
Aliexpress UK
AIYIMA 2Pcs 1.5Inch Audio Portable Speakers 4Ohm 3W Full Range Speaker DIY Stereo Home Theater Woofer Loudspeaker
Aliexpress UK