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Audio Output Comparison

Unless specified otherwise, all captures were made using a Tascam US-1x2 ADC. For more background information, check out the Motherboard Differences page.

5 min readUpdated Oct 9, 2026

Unless specified otherwise, all captures were made using a Tascam US-1x2 ADC.

For more background information, check out the Motherboard Differences page.

Model 1

Mono (AV Out)

Board Revision "After Burner" (from After Burner II) "Go Straight" (from Streets of Rage 2) "Metal Squad" (from Thunder Force IV) FM Chip Amplifier Chip Notes
US VA2 https://consolemods.org/wiki/File:Gen1VA2MonoAfterBurner.wav https://consolemods.org/wiki/File:Gen1VA2MonoGoStraight.wav https://consolemods.org/wiki/File:Gen1VA2MonoMetalSquad.wav Yamaha YM2612 Signetics LM358 Recapped
US VA3 https://consolemods.org/wiki/File:Gen1VA3MonoAfterBurner.wav https://consolemods.org/wiki/File:Gen1VA3MonoGoStraight.wav https://consolemods.org/wiki/File:Gen1VA3MonoMetalSquad.wav Yamaha YM2612 Signetics LM358 Recapped
US VA7 https://consolemods.org/wiki/File:Gen1VA7MonoAfterBurner.wav https://consolemods.org/wiki/File:Gen1VA7MonoGoStraight.wav https://consolemods.org/wiki/File:Gen1VA7MonoMetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM BA10324

Stereo (Headphone Out)

Board Revision "After Burner" (from After Burner II) "Go Straight" (from Streets of Rage 2) "Metal Squad" (from Thunder Force IV) FM Chip Amplifier Chip Notes
US VA2 https://consolemods.org/wiki/File:Gen1VA2AfterBurner.wav https://consolemods.org/wiki/File:Gen1VA2GoStraight.wav https://consolemods.org/wiki/File:Gen1VA2MetalSquad.wav Yamaha YM2612 Sony CXA1034 Recapped
US VA3 https://consolemods.org/wiki/File:Gen1VA3AfterBurner.wav https://consolemods.org/wiki/File:Gen1VA3GoStraight.wav https://consolemods.org/wiki/File:Gen1VA3MetalSquad.wav Yamaha YM2612 Sony CXA1034 Recapped
US VA6 https://consolemods.org/wiki/File:Gen1VA6AN7108AfterBurner.wav https://consolemods.org/wiki/File:Gen1VA6AN7108GoStraight.wav https://consolemods.org/wiki/File:Gen1VA6AN7108MetalSquad.wav Yamaha YM2612 Panasonic AN7108
US VA7 https://consolemods.org/wiki/File:Gen1VA7AfterBurner.wav https://consolemods.org/wiki/File:Gen1VA7GoStraight.wav https://consolemods.org/wiki/File:Gen1VA7MetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM BA10324

Model 2

Board Revision "After Burner" (from After Burner II) "Go Straight" (from Streets of Rage 2) "Metal Squad" (from Thunder Force IV) FM Chip Amplifier Chip Notes
US VA0 https://consolemods.org/wiki/File:Gen2VA0TIAfterBurner.wav https://consolemods.org/wiki/File:Gen2VA0TIGoStraight.wav https://consolemods.org/wiki/File:Gen2VA0TIMetalSquad.wav Yamaha FC1004 (integrated YM3438) Texas Instruments LM324
US VA1 https://consolemods.org/wiki/File:Gen2VA1NECAfterBurner.wav https://consolemods.org/wiki/File:Gen2VA1NECGoStraightwav.wav https://consolemods.org/wiki/File:Gen2VA1NECMetalSquad.wav Yamaha FC1004 (integrated YM3438) NEC uPC324
US VA1.8 https://consolemods.org/wiki/File:Gen2VA1.8ROHMAfterBurner.wav https://consolemods.org/wiki/File:Gen2VA1.8ROHMGoStraight.wav https://consolemods.org/wiki/File:Gen2VA1.8ROHMMetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM BA10324
US VA2 https://consolemods.org/wiki/File:Gen2VA2AfterBurner.wav https://consolemods.org/wiki/File:Gen2VA2GoStraight.wav https://consolemods.org/wiki/File:Gen2VA2MetalSquad.wav Yamaha YM2612 Sega 315-5684 (ROHM BA6166FS)
US VA2.3 https://consolemods.org/wiki/File:Gen2VA2.3AfterBurner.wav https://consolemods.org/wiki/File:Gen2VA2.3GoStraight.wav https://consolemods.org/wiki/File:Gen2VA2.3MetalSquad.wav Yamaha YM2612 Sega 315-5684 (ROHM BA6166FS)
US VA3 https://consolemods.org/wiki/File:Gen2VA3AfterBurner.wav https://consolemods.org/wiki/File:Gen2VA3GoStraight.wav https://consolemods.org/wiki/File:Gen2VA3MetalSquad.wav Yamaha FC1004 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS)
US VA4 https://consolemods.org/wiki/File:Gen2VA4AfterBurner.wav https://consolemods.org/wiki/File:Gen2VA4GoStraight.wav https://consolemods.org/wiki/File:Gen2VA4MetalSquad.wav Yamaha FJ3002 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS)

Other Models

System "After Burner" (from After Burner II) "Go Straight" (from Streets of Rage 2) "Metal Squad" (from Thunder Force IV) FM Chip Amplifier Chip Notes
Genesis 3 (VA2) https://consolemods.org/wiki/File:Gen3VA2AfterBurner.wav https://consolemods.org/wiki/File:Gen3VA2GoStraight.wav https://consolemods.org/wiki/File:Gen3VA2MetalSquad.wav Yamaha FQ8007 (integrated YM3438) Texas Instruments LM324 The Genesis 3 only provides mono audio in stock form.
Genesis CDX (Headphone Out) https://consolemods.org/wiki/File:CDXHPAfterBurner.wav https://consolemods.org/wiki/File:CDXHPGoStraight.wav https://consolemods.org/wiki/File:CDXHPMetalSquad.wav Yamaha FC1004 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS) The volume dial was turned up to full for these captures.
Genesis CDX (Line Out and Multiout) https://consolemods.org/wiki/File:CDXAfterBurner.wav https://consolemods.org/wiki/File:CDXGoStraight.wav https://consolemods.org/wiki/File:CDXMetalSquad.wav Yamaha FC1004 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS)
Genesis Nomad (Headphone Out) https://consolemods.org/wiki/File:NomadHPAfterBurner.wav https://consolemods.org/wiki/File:NomadHPGoStraight.wav https://consolemods.org/wiki/File:NomadHPMetalSquad.wav Yamaha FF1004 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS) The volume dial was turned up to full for these captures.
Genesis Nomad (Multiout) https://consolemods.org/wiki/File:NomadMultioutAfterBurner.wav https://consolemods.org/wiki/File:NomadMultioutGoStraightwav.wav https://consolemods.org/wiki/File:NomadMultioutMetalSquad.wav Yamaha FF1004 (integrated YM3438) Sega 315-5684 (ROHM BA6166FS)
Mega Jet (Headphone Out) https://consolemods.org/wiki/File:MegaJetHPAfterBurner.wav https://consolemods.org/wiki/File:MegaJetHPGoStraight.wav https://consolemods.org/wiki/File:MegaJetHPMetalSquad.wav Yamaha FC1004-X (integrated YM3438) Sega 315-5684 (ROHM BA6166FS) The volume dial was turned up to full for these captures.
Mega Jet (Multiout) https://consolemods.org/wiki/File:MegaJetAfterBurner.wav https://consolemods.org/wiki/File:MegaJetGoStraight.wav https://consolemods.org/wiki/File:MegaJetMetalSquad.wav Yamaha FC1004-X (integrated YM3438) Sega 315-5684 (ROHM BA6166FS)
X'Eye (Headphone Out) https://consolemods.org/wiki/File:XEyeHPOutAfterBurner.wav https://consolemods.org/wiki/File:XEyeHPGoStraight.wav https://consolemods.org/wiki/File:XEyeHPOutMetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM XRA15218F
X'Eye (Multiout and RCA Out) https://consolemods.org/wiki/File:XEyeAfterBurner.wav https://consolemods.org/wiki/File:XEyeGoStraight.wav https://consolemods.org/wiki/File:XEyeMetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM XRA15218F
Victor RG-M1 (RCA Out) https://consolemods.org/wiki/File:VicRGM1AfterBurner.wav https://consolemods.org/wiki/File:VicRGM1GoStraight.wav https://consolemods.org/wiki/File:VicRGM1MetalSquad.wav Yamaha FC1004 (integrated YM3438) ROHM BA15218F These captures were taken using the DAC of a RetroTink 4K Pro

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