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Rockville RXD-M4 vs Sound Magus DK1200: dyno test comparison

At 1Ω (the lowest load both were tested at), Rockville RXD-M4 measured 293w more (1267w vs 974w).

LoadRockville RXD-M4Sound Magus DK1200
4Ω—w394w
2Ω—w660w
1Ω1267w974w
Rated (per video)1500w—
TesterWilliston Audio LabsTeamDroppinHz

Different testers, voltages and dynos can change results; follow the source videos for setup details.

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Data from public dyno-test videos; each amp cites the tester and video. Results vary with voltage, unit and test setup.