Under $100
Apple Dongle
Simple DAC
+
Koss Kph30i
On-ear Headphones
=
$45
$100–$300
iFi Zen Air DAC
Desktop DAC
+
Hifiman HE400SE
Planar Headphones
=
$210
$300–$500
SMSL SU-1
High-Res DAC
+
SMSL SH-6
Clean Power Amp
+
Sennheiser HD560S
Reference Headphones
=
$400
$500+
iFi Zen DAC Sig V2
Premium DAC/Amp
+
Hifiman Ananda
High-end Planar
=
$799+