The BTR7 is a high-end extension of FiiO's Bluetooth DAC and amplifiers.
A great entry model to the world of tubes. This is an inexpensive but great little starter.
Portable Amplifier with balanced XLR and Pentaconn outputs delivers up to 6W of audio power. Hear your planar headphones come alive with Ampersand’s clean, confident, and quiet power.
Power supply for Aroma A100TB amplifier
Aroma Audio true balanced portable amplifier A100TB
New Magsafe compatible DAC/amp from Khadas
iFi’s uniquely specified mobile Bluetooth DAC/headphone amp – the GO blu – delivers heavenly headphone sound on the go
It's an analog squared paper vacuum tube amp tu-05
AMP12 Discrete Amplifier module for iBasso DX300
• Professional audio operational amplifier, high slew rate, low distortion to reproduce original sound • High power output, sufficient headroom to easily drive headsets of various impedances • Bass gain switch provides more warm and powerful bass • Optimized analogue circuit design effectively decreases residual noise • Hi-Fi chip for audio compensation, and greatly boosting audio density and sound field and dynamic range • High capacity Li-ion battery lasts for more than 12h operation...
Portable bluetooth 5.0 DAC/amp with MQA support.
Portable Bluetooth Headphone Amplifier
Portable tube headphone amplifier
Cayin C9: TOTL Portable Headphone Amplifier Cayin was founded in 1993 and is one of the largest audio tube amplifier development and manufacturing facilities in the world. We have developed over 400 products to date, ranging from CD players to speakers, all of which provide the same high-quality benchmark, but our amplifiers have been particularly well-received within the audio community. That's why when we venture into Personal Audio back in 2013, we started with C5, a portable headphone...
A $200 dongle dac/amp with single-ended and balanced outputs
Portable Headphone amp/dac 32bit/384KHz DSD256
STUDIO GRADE AMPLIFIER with Bass Boost Powered by the Award Winning THX® AAA™ AMPLIFIER TECHNOLOGY. Boost the Sound from your Mobile or Gaming device to your Headphones GAME CHANGING SOUND Anywhere You Go! Your Music, Movies, Youtube Videos and Gaming Never Sounded So good WORLD'S FIRST AAA ™ In-Line Audiophile Quality Headphone Amplifier That Fits In The Palm of Your Hand and a Separate Bass Boost Feature DELIVERS MAXIMUM VOLUME +12dB with No Distortion, Greatly Improving Sound Quality and...
USB DAC/Amp from Monoprice
Tube and JFET dual-mode portable headphone amplifier