Best Audio Amplifiers under $40017
1. DarkVoice 336SE OTL Headphone Amp
#1 in Best Audio Amplifiers under $400 of 17 products
"I purchased the DV at the recommendation of a co-worker who had previously enlightened me to Massdrop. I am a big fan of planar technology for speakers and the..." Read More
2. Bravo V2 Headphone Amplifier
#2 in Best Audio Amplifiers under $400 of 17 products
"Sounds Great ! Noiseles and clean. Lots of Extra clean gain. Very nice. Thank U" Read More
3. Bravo Ocean Tube Amplifier
#3 in Best Audio Amplifiers under $400 of 17 products
"Excellent with a JJ Electronics tube - still great with stock tube. Unbeatable at $55. I received this amp today and I must say its' a great little amp! So to start..." Read More
4. Little Dot MKII Tube Headphone Amp
#4 in Best Audio Amplifiers under $400 of 17 products
"Obviously every headphone addict should know that Tube Amps are designed for Headphones with high Impedance - perfectly 600 OHM - using it with below 100 OHM is..." Read More
5. Little Dot MKIII & MKIII SE Tube Headphone Amps
#5 in Best Audio Amplifiers under $400 of 17 products
"Almost as satisfied as possible. I had read many reviews which mentioned there might be a humming noise (white noise if you like to call it! ) and I was really afraid..." Read More
6. Bravo V3 Headphone Amplifier
#6 in Best Audio Amplifiers under $400 of 17 products
"So Cool. You can easily change the sound to gorgeous and warm. The light that glows blue is really cool. I was surprised at the variable range of the..." Read More
7. Massdrop x Eddie Current ZDT Jr.
#7 in Best Audio Amplifiers under $400 of 17 products
"So......... TOTALLY worth the wait! A few years ago I sold all the headphone gear I owned, because I discovered that the headphone jack on my tube loudspeaker amp..." Read More
8. xDuoo TA-20 Balanced Headphone Amp
#8 in Best Audio Amplifiers under $400 of 17 products
"Day 0: Initial impressions shortly after unboxing and wiring up. First annoyance. Came with the wrong power cord. Looks to be an Aussie termination, and not a..." Read More
9. Bravo V2 Headphone Amplifier w/ Gold Lion ECC82 Tube
#9 in Best Audio Amplifiers under $400 of 17 products
"Sounds Great ! Noiseles and clean. Lots of Extra clean gain. Very nice. Thank U" Read More
10. xDuoo MT-602 Tube Hybrid Headphone Amplifier
#10 in Best Audio Amplifiers under $400 of 17 products
"Awesome! This is my first tube amp and even though it's a hybrid I think it definitely adds the touch to sound through it. I have been loving it and it has already..." Read More
11. APPJ 1502A Tube Headphone Amplifier
#11 in Best Audio Amplifiers under $400 of 17 products
Featuring a 6n4 preamp section and two 6p6p power tubes in a dual Class-A configuration, this APPJ audio tube headphone amp offers high resolution, sweeping soundstage... Read More
12. Bravo Audio V1 Headphone Amp
#12 in Best Audio Amplifiers under $400 of 17 products
"Can't beat it for 40 bucks. Just got this, so this is my very first impressions. My setup: Grace Design SDAC, JDS Labs Atom, HE-400i The amp seems to color the..." Read More
13. SMSL SP100 Tube Headphone Amplifier
#13 in Best Audio Amplifiers under $400 of 17 products
The SMSL SP100 Tube Headphone Amplifier is the perfect solution for anyone in search of smooth and rich audio for their headphones. Outfitted with an easy-to-change... Read More
14. xDuoo TA-05 Tube Headphone Amp
#14 in Best Audio Amplifiers under $400 of 17 products
"Fantastic sound and great introduction to tube amps. Didn’t know what to expect and bought it because I wanted to experience tube amp sound for a low price. I also got..." Read More
15. xDuoo MT-604 Headphone Amplifier
#15 in Best Audio Amplifiers under $400 of 17 products
Compact and powerful, the xDuoo MT-604 gives listeners the best of both amps—tube and transistor—to deliver full-bodied audio to any pair of headphones. Four 6J1 tubes... Read More
16. xDuoo TA03S Tube Headphone Amplifier
#16 in Best Audio Amplifiers under $400 of 17 products
"Nice little Amp !!! Great build quality and very heavy !!! , most people complaint that it wont drive high impedance headphones but i didn't have any problem, i could..." Read More
17. xDuoo TA-26 Tube Headphone Amplifier
#17 in Best Audio Amplifiers under $400 of 17 products
One look at the Xduoo TA-26 and it’s clear what the point is: delicate, tube-driven audio. The sandblasted, aluminum alloy shell sits in an L-shape on your desk,... Read More
