TASCAM US-122 USB. You should be able to pick one up on e-Bay second hand. Exactly what you are looking for and it is what I use with no problems whatsoever. It has been superceded now by the US-144 in that TASCAM no longer sells it but if money is a concern, then get one from e-Bay. See below



TASCAM

Ebay


Follow That Dream

Sam
Karaoke King

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Turning that corner again - I have to keep following that dream, no matter what