Palab M1-mini
Palab M1-mini is a portable and very powerful DAC/AMP based on ESS9038Q2M with full MQA decoding. The recommended price of the device is $449.
Amplifier
Topping A50S
Topping A50S is a small, full metal, stylish balanced amp that can output a whopping 3500 mW of power. It is priced at $220.
SMSL SH-9
SMSL SH-9 is a balanced headphone amplifier based on the THX888 chip. It provides 3W through the balanced output and costs 289$.
xDuoo XD-05 Plus
The xDuoo XD-05 Plus is a mobile DAC/Amp that can work separately as each option and provides 1W of pure power through the headphone output. It is priced at 289$.
Flux FCN-10
Flux FCN-10 is a powerful DAC/AMP pushing 16W of power into 32Ohm, and it can also work as a streamer using DLNA/Airplay. It is priced at 1299$.
iFi iDSD Neo
iFi Audio just released its newest product - the iDSD Neo. I'ts a stationary DAC/AMP combo with Bluetooth, balanced output, and unique, futuristic design. It is priced at 699 USD.
JDSLabs Atom Dac + Atom Amp
JDSLabs Atom stack contains of the Atom DAC (99 USD) and the Atom AMP (99 USD). It is widely regarded as one of the biggest bargains in the headphone audio market. Let's see how true this statement is.
Little Dot MK IV
LittleDot MK IV is a tube headphone amplifier that can also work as a preamplifier. It is priced at 499$.