EarStudio ES100 MK2
#4 in Portable/Bluetooth Amplifiers · Rated 4.2
Pocket BT DAC/amp with dual DACs
EarStudio ES100 MK2 is a compact Bluetooth receiver/DAC with dual AK4375a DACs and a robust feature set for portable listening. It supports LDAC, aptX HD, and AAC, and can also function as a USB DAC (USB 2.0 up to 16/48kHz on certain hosts). The MK2 iteration adds improved battery life and a familiar dual-drive architecture for higher power with balanced 2.5mm output and 3.5mm unbalanced. It includes the EarStudio companion app for codec selection, EQ, and other controls. Known for strong output power in its class, it remains a popular budget-friendly BT/DAC dongle option for enthusiasts seeking more dynamic bass and detail without breaking the bank.
Features
- Dual AK4375a DACs
- LDAC/aptX HD/AAC
- 2.5mm balanced + 3.5mm SE
- Companion app with EQ
Pros
- Excellent value
- Good driving power for budget headphones
- Solid codec support
Cons
- USB DAC limited to 16/48kHz on some hosts
- Older firmware support may be limited