FiiO K7 BT Desktop DAC and Amplifier - Bluetooth Edition vs Topping - L30II - Desktop Headphone Amp - Black
Specs side by side at each model's entry configuration, with the cheapest crypto price for each.

FiiO K7 BT Desktop DAC and Amplifier - Bluetooth Edition
1 configurations
from $310

Topping - L30II - Desktop Headphone Amp - Black
1 configurations
from $201
0 of 0 specs differ across these 2.
Questions
What is the difference between the FiiO K7 BT Desktop DAC and Amplifier - Bluetooth Edition and the Topping - L30II - Desktop Headphone Amp - Black?
0 of the 0 specs we track differ at their base configurations. The table above marks every one, and flags the better value wherever a spec has a better direction.
Which is cheaper?
Topping - L30II - Desktop Headphone Amp - Black from $201, $109 less than the FiiO K7 BT Desktop DAC and Amplifier - Bluetooth Edition. Both are the cheapest total, shipping included, for the entry configuration.
Are you comparing the same configurations?
Each model is shown at its entry configuration, which is the only fair basis for a like-for-like table. Open either product to switch memory, storage or chip and see how its price moves.