Bass Boost. JDS Labs’s success is due to cMoyBB’s legendary bass boost switch. Switched off, your original audio signal is amplified. Switched on, bass. On a shoestring budget for an amplifier to boost the sound quality from your high- end headphones? The CMoy headphone amplifier is your. The CMoy headphone amp is a popular headphone amplifier that is small enough to carry everyday and powerful enough to drive headphones at higher levels.

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In this case it is necessary use also two electrolytic capacitors C1a and C1b. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Why use a headphone amplifier? No more hiss with my new O2 headphone amp from jdslabs. Headphone amplifier is small enough to fit in Altoids tin box, and thanks to low power consumption may be supplied from a single 9V battery. Looks great and sounds even better! Glad my research led me to this small company with reasonable headphonw, solid products.

Few months ago I decided built this amplifier also. Features of the cMoyBB v2. This version comes with a JRC op amp and 4X Gain setting better suited for use with lower impedance headphones. Power is supplied to the opamps using a dual power supply, which effectively divides the input voltage source in half to create a virtual ground.


Their customer service and support is equally awesome. Simply specify your headphones during checkout. No matter where in the world you aml, these guys will take great care of you.

JDS Labs – cMoyBB v Headphone Amplifier

By using this site, you agree to the Terms of Use and Privacy Policy. The default cMoyBB produces output power similar to a smartphone.

These high-quality, Japanese made potentiometers feature smooth, noise free operation. The higher current capabilities of the make it a much better choice for headphones under 75 ohms. Switched off, your original audio signal is amplified.

Voted a top 5 portable headphone amplifier by Lifehacker.

CMoy Headphone Amplifier

Ideal for portable use of headphoen headphones. It also analyzes transistor’s characteristics such as voltage and gain. My new cMoyBB head amp just arrived! Specify your headphones during checkout and we’ll optimize gain, bass boost, and output power for best performance with your headphones. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors.

Does not charge batteries.

Customization Specify your headphones during checkout and we’ll optimize gain, bass boost, and output power for best performance with your headphones. It’s small, power efficient, yet customizable through onboard 2 x 7 perfboard headohone can be used for connecting various sensors and connectors.


Killer amp and DAC! Audio amplifiers Sound technology stubs. Dimensions Case Dimensions x 64 x 21 mm Weight 3.

Great, sturdy little powerhouse. In my post you can find my experience with creating this simple but very good amplifier. Please see our article Power is Volume for more information. I’ll be back for any possible audio needs” Daniel W. Firts possibility is use passive voltage divider, consist of two resistors R1a and R1b. Smooth and effortless reproduction of all the frequencies with tons of power on tap. Even without an amp change.

We now offer a low impedance version that we highly recommend if you are using headphones under 75ohms. Older cMoys use thin wires or protoboard to transfer audio signals. It consists of only a few components, can be assembled on a small section of protoboardhas a lower parts cost than other headphone amplifiers, and can run for many hours on a single 9 volt battery. External DC jack can be used to power the amplifier. I’ll be back for any possible audio needs”.

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