The build of the cMoy is very good considering it’s basically a repurposed Altoids can. It feels very solid in your hand. The input jacks on the front are very respectable, but the charging port is a tad wonky for my liking. Still, it charges fine and there are no technical issues with it. It’s more of a cosmetic thing.
JDS Labs did a great job assembling this unit. Plugging your headphones into the 3.5mm jack feels fine, and the 3.5mm line output is rugged as well.
Bass boost switch is fairly standard and feels good as well.
BUILD SCORE: A
The only real feature on this Amp is the Bass Boost. Simply flip open the lid and flick the switch. It adds a tasteful amount of bass and isn’t over done like your mom’s meatloaf. 😛
This amp does what it’s designed to do, and that is deliver a neutral, clean, and powerful sound to your headphones. The DAC chip is extremely good, and it’s a lot more powerful than you would think. Related:What is a USB DAC?
My HD600’s require 20mW of power to perform optimally, and the cMoy drives them with ease. As far as options, you have:
Standard 1x9V: This is similar to the power output of a smart phone. Battery is not rechargeable.
Standard 2x9V: This is likely the model that I had. It works better for headphones 120Ohm and over.
Rechargeable 1×9: This comes with integrated charging circuitry and powers most headphones.
Paired with the HD600 I was completely satisfied with volume level and didn’t desire any more. The cMoy is a definite upgrade over my phones internal DAC as it will not drive the 600’s to acceptable listening levels.
Sound quality is very clean and neutral, which we’ve come to expect from JDS Labs products. Make sure that you use a very short 3.5mm interconnect cable to eliminate noise and distortion from your PC/Laptop or phone.
Hook it Up
Just plug one end of the 3.5mm interconnect into your phone or laptop, and the other end into the left jack on the front of the unit. The headphones plug into the jack on the right. Turn the volume knob clockwise to power it on, and you’re ready to go!
ERGONOMICS & SOUND SCORE: A+
My Video Review
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There’s not much more to say about this little beast. It does it’s job admirably, and sounds clean and pristine. Power jack isn’t perfect, and I would have liked a gain switch, but those are minor nitpicks.
Stu is determined to provide the truth about all things audio, and strives to deliver excellent content to you the reader! In his spare time, he likes to fish, paint, play guitar, attend church, take photos, record videos, graphic design, and more. His attention to detail and perfectionist attitude are what allow him to excel, but it can be both a blessing and a hindrance at times.