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DoubleF · 03-30-2022, 09:08 AM

I used to use the Fiio X3 MK1 DAP for my DT7700 pro. I could connect to a computer via USB and then I could use it to play music on the go. The original interface was kinda meh, but the custom firmware kinda helped with that.

I bought it years ago and I am not sure of your usage as to whether you are better off with a dedicated DAC/AMP or if a DAP like the X1/X3/X5/X7 or M11 would work well with your DT990.

The only downside with the FIIO is that the battery life of 10-12 hours is kinda meh vs mp3 players of yore such as the Sandisk Clip zip and Cowon players that could go upwards of 20-30 hours, but I believe most of the FIIO have an amp built in, which probably explains why it has less battery life.

03-30-2022, 09:08 AM	#6
DoubleF Franchise Player Join Date: Apr 2014 Exp:	I used to use the Fiio X3 MK1 DAP for my DT7700 pro. I could connect to a computer via USB and then I could use it to play music on the go. The original interface was kinda meh, but the custom firmware kinda helped with that. I bought it years ago and I am not sure of your usage as to whether you are better off with a dedicated DAC/AMP or if a DAP like the X1/X3/X5/X7 or M11 would work well with your DT990. The only downside with the FIIO is that the battery life of 10-12 hours is kinda meh vs mp3 players of yore such as the Sandisk Clip zip and Cowon players that could go upwards of 20-30 hours, but I believe most of the FIIO have an amp built in, which probably explains why it has less battery life.