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Headphone Amplifiers

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JDS Labs Assembled Objective2 Headphone Amplifier

JDS Labs Assembled Objective2 Headphone Amplifier

“     Without referring to "He-Who-Must-Not-Be-Named's" (A.K.A. NwAvGuy) blog, and speaking from my own listening experiences, I really do think the Objective 2 is a great headphone amplifier. No, I don't think this is the amp to end all amps, but it's a dang good one and it only cost me $156 USD (which includes the Triad brand WAU12-200 AC adaptor). In fact, it can be found...” --miceblue

100% Positive Reviews
JDS Labs CMoyBB

JDS Labs CMoyBB

“ This is my fist headphone amp, so I don't have anything to compare it to. I have the Sennheiser HD598 headphones and my first generation Microsoft Zune had a tough time giving them enough power. The CMoyBB makes a huge difference! I can now listen to music as loud, and louder, than I want to. The CMoyBB could easily blow my headphones if I wanted to, that's how powerful it is. There is no...” --Tristan944

100% Positive Reviews
JDS Labs C5 Headphone Amplifier

JDS Labs C5 Headphone Amplifier

“ Okay, a serious question not related to the review: what is the difference between the "Audio Quality" rating and the "Quality" rating, and how is the "Quality" rating different from the "Design" rating?  *scratches head* Anyway, back to the review.     I did a video review for the C5 on YouTube if you are interested in an auditory/visual...” --miceblue

100% Positive Reviews
JDS Labs O2+ODAC

JDS Labs O2+ODAC

“   The JDS Labs O2 + ODAC combo (and just about every other version) is built into a simple metal enclosure (mine is black) and all of the inputs and outputs, save for the USB input are located on the front of the device. Aesthetically, I don’t love that design decision but I understand it’s one that was likely made due to the O2 being designed originally as a portable (sort of)...” --TheGame21x

100% Positive Reviews
JDS Labs c421 Headphone Amplifier

JDS Labs c421 Headphone Amplifier

“Amazing sounding amp, easy to charge with a mini USB, bass boost works really well without muddying the sound, low/high gain switch. Sounds better than any other amp I have tried, ie Fred Fred cmoy and fiio e7 ” --Mkvy

100% Positive Reviews
JDS Labs C5D

JDS Labs C5D

“This was provided to me from JDS Labs as a free review unit, so I need to give a big, big, big thank you to JDS Labs for their generosity! You might be able to see in the photos that my unit has some blemishes in the aluminum case. These will not appear in normal units. Since Head-Fi doesn't display the rating details from the reviewer, but rather the community average, here are my...” --miceblue

100% Positive Reviews
JDS Labs Objective2 Assembled PCB

JDS Labs Objective2 Assembled PCB

Taken for item page: "The Objective2 (O2) is an open source headphone amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. This item includes a preassembled and hand tested O2 circuit board, ready for use. You will also need an enclosure and AC adapter. The O2 has created a stir in Head-Fi.org’s do-it-yourself community. After posting one too many ...

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