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JDS Labs, Inc C421 Black Edition Headphone Amplifier

Brushed Aluminum Black Edition Headphone Amplifier w/ 0.1% Thin Film Resistors

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Black Edition Headphone Amplifier • Alps Dual Analog Potentiometer • 0.1% Thin Film Resistors • USB Powered Smart Charging • 3.5mm Gold Plated Input & Output Jacks

Learn more about the c421-black

Good news and a little bad...

This item has been discontinued

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Description


JDS Labs, Inc brand icon

Authorized dealer

General Features:

  • Black edition headphone amplifier
  • Dual Gain, 2.3x or 7.0x (+7.2dB or +16.9dB)
  • Bass Boost, +8dB peak
  • Alps Dual Analog Potentiometer
  • Low Battery Indication
  • 0.1% Thin Film Resistors
  • 1200mAh, 3.7V Li-Ion Battery
  • USB Powered Smart Charging
  • Synchronized +/-7V rails, NO power degradation!
  • 3.5mm Input and Output Jacks, Gold Plated
  • 4-Layer Printed Circuit Board
  • Aluminum Enclosure
  • Primary stage opamp: OPA2227
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

General Features:

  • Run-Time: 11+ hours
  • Charge Time: 2 hours to 80%, <5 hours to 100%
  • Frequency Response: +0.01, -0.41 dB (20Hz-20kHz)
  • SNR: Exceeded test equipment*, > 110 dB (20-20kHz)
  • THD: Exceeded test equipment*, < 0.0041%
  • Crosstalk: Exceeded test equipment*, < -57dB
  • Volume Potentiometer Taper: 3B
  • Enclosure Size: 97.5 x 14.0 x 62.5mm
  • Weight: 4 oz

Product history:

JDS Labs, Inc C5 Red thumbnail
(newest, current model)
JDS Labs, Inc c421 Black thumbnail
(previous model, replaced by JDS Labs C5 Professional Grade Portable Headphone Amplifier (Red))
JDS Labs, Inc C421 thumbnail
(previous model, replaced by JDS Labs, Inc C421 Black Edition Headphone Amplifier)

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Specifications & Details


Headphone Amplifier Specifications
Amplifier Style
Portable
Digital-to-Analog Converter (DAC)
No
Frequency Response
20 - 20,000 Hz
Output Connection
3.5mm Mini-Jack
Number of Outputs
1
Width
2-1/2"
Height
3-13/16"
Depth
1/2"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

c421 Black

Weight:

0.90lbs

Internal SKU:

c421-black

Internal Product ID:

63359

Customer Ratings & Reviews


JDS Labs, Inc C421 Black Edition Headphone Amplifier thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Big sound in a small package!

The following review is for a previous version (C421).

After using this amp, and experiencing nothing short of "musical bliss", I would surely recommend it. Right out of the box, this little amp had my headphones rocking like never before. It feels really solid, looks really good, and sounds really great! The people who made this amp really put a lot of thought into it. It shows. You can charge it multiple ways, use it as a desk top or portable, and it let's you know through colorful LED lights its status. It can drive all headphones with ease. I have several and I'm a witness! I really have nothing negative to say about it! Do yourself a favor and get one!

By Therm on October 7, 2012

4 found this helpful


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.