Uploaded March 2026 | Updated September 2026, 1 week ago
#AmpDyno #Amplifier #Bass
Down4Sound Marine Amplifiers
M3 1004 and M3 1500 "Glow in the Dark"
Shop for D4S Marine Amps: https://lddy.no/1ogsr
Waterproof Electrical Connectors: amzn.to/40Mc1y4
Wiring Terminal Blocks: amzn.to/4sZhygz
Related videos:
Mini Car Amps Playlist: youtube.com/playlist?list=PLu98-M_EowHPeIJDo-ISyHCtT__PzQsDi
Down4Sound Amps Tested: youtube.com/playlist?list=PLu98-M_EowHPaS-gduhh6GjYt1SRlVxp5
Kenwood Marine Amp: youtu.be/QYDYGSgWJDs
CHAPTERS
0:00 Intro
0:40 Unboxing M3 1004
2:00 Specs and Features M3 1004
4:13 M3 1004 4ch Amp Dyno Tests
6:00 M3 1004 Bridged Amp Dyno Tests
7:24 Is it Waterproof?
9:20 What's Inside? M3 1004
10:20 Unboxing M3 1500
11:28 Specs and Features M3 1500
12:52 Amp Dyno Tests M3 1500
16:00 Sound and Water M3 1500
17:03 What's Inside? M3 1500
17:37 PROs and CONs
18:26 Glow In the Dark?
18:48 Final Thoughts
19:34 EXTRAS
SHOP Affiliates:
Down4Sound - Shop4Bass.com
SAVARD Speakers: Shop4Boom.com (use WAL7 for 7% off)
WCCarAudio - https://is.gd/wccwal
Amazon - amzn.to/3wNX6Fn
Crutchfield - howl.me/cjZI33auToW
Get your WAL/OSS Merch: bigdwiz.creator-spring.com
Buy Me a Coffee/Tea/Slap-a-D-No : oldschoolstereo.com/p/donate.html
➡️ Support OSS / Williston Audio Labs for early access to videos: patreon.com/OldSchoolStereo
One Time "Tip" for Video Support: paypal.me/BigDWiz
VIDEO AND AUDIO GEAR
Camera - iPhone 17pro 1TB - amzn.to/4uJVWq5
RODE Wireless Go II Microphones: amzn.to/3Q6NVHl
Shure MV7 Microphone: amzn.to/3A4OICK
Zoom H4n Audio Recorder: amzn.to/3BXjVsS
960 LED Panel: amzn.to/2Sxoq3S
TEST BENCH EQUIPMENT
SMD / D'Amore Engineering Amp Dyno (AD-1): https://is.gd/wccad1
XS Power D1400 Batteries - amzn.to/2BPFCKW
XS Power PSC60 Charger - amzn.to/2CHGcfs
Fluke 1000A AC/DC Clamp Meter: amzn.to/2Rw5WDA
Handheld Dyno AMM-1: https://is.gd/wccamm1
My Favorite Precision Screwdriver Kit: amzn.to/3yAaPmn
DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase
#AmpDyno #Amplifier #Bass
Down4Sound Marine Amplifiers
M3 1004 and M3 1500 "Glow in the Dark"
Shop for D4S Marine Amps: https://lddy.no/1ogsr
Waterproof Electrical Connectors: amzn.to/40Mc1y4
Wiring Terminal Blocks: amzn.to/4sZhygz
Related videos:
Mini Car Amps Playlist: youtube.com/playlist?list=PLu98-M_EowHPeIJDo-ISyHCtT__PzQsDi
Down4Sound Amps Tested: youtube.com/playlist?list=PLu98-M_EowHPaS-gduhh6GjYt1SRlVxp5
Kenwood Marine Amp: youtu.be/QYDYGSgWJDs
CHAPTERS
0:00 Intro
0:40 Unboxing M3 1004
2:00 Specs and Features M3 1004
4:13 M3 1004 4ch Amp Dyno Tests
6:00 M3 1004 Bridged Amp Dyno Tests
7:24 Is it Waterproof?
9:20 What's Inside? M3 1004
10:20 Unboxing M3 1500
11:28 Specs and Features M3 1500
12:52 Amp Dyno Tests M3 1500
16:00 Sound and Water M3 1500
17:03 What's Inside? M3 1500
17:37 PROs and CONs
18:26 Glow In the Dark?
18:48 Final Thoughts
19:34 EXTRAS
SHOP Affiliates:
Down4Sound - Shop4Bass.com
SAVARD Speakers: Shop4Boom.com (use WAL7 for 7% off)
WCCarAudio - https://is.gd/wccwal
Amazon - amzn.to/3wNX6Fn
Crutchfield - howl.me/cjZI33auToW
Get your WAL/OSS Merch: bigdwiz.creator-spring.com
Buy Me a Coffee/Tea/Slap-a-D-No : oldschoolstereo.com/p/donate.html
➡️ Support OSS / Williston Audio Labs for early access to videos: patreon.com/OldSchoolStereo
One Time "Tip" for Video Support: paypal.me/BigDWiz
VIDEO AND AUDIO GEAR
Camera - iPhone 17pro 1TB - amzn.to/4uJVWq5
RODE Wireless Go II Microphones: amzn.to/3Q6NVHl
Shure MV7 Microphone: amzn.to/3A4OICK
Zoom H4n Audio Recorder: amzn.to/3BXjVsS
960 LED Panel: amzn.to/2Sxoq3S
TEST BENCH EQUIPMENT
SMD / D'Amore Engineering Amp Dyno (AD-1): https://is.gd/wccad1
XS Power D1400 Batteries - amzn.to/2BPFCKW
XS Power PSC60 Charger - amzn.to/2CHGcfs
Fluke 1000A AC/DC Clamp Meter: amzn.to/2Rw5WDA
Handheld Dyno AMM-1: https://is.gd/wccamm1
My Favorite Precision Screwdriver Kit: amzn.to/3yAaPmn
DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase
