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V-MODA VAMP Headphone Amplifier (150mW x 2), DAC, Battery Pack for iPhone 4/4S (Discontinued by Manufacturer)

3.7 out of 5 stars 5 customer reviews

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  • Integrated Headphone Amplifier (150mW x 2) for the iPhone 4/4S
  • Digital to Analog Convertor (DAC) bypasses iPhone's analog output for pure analog performance
  • Two selectable audio processing modes Pure and VQ
  • 2200 mAh battery doubles iPhone battery life
  • Aircraft-grade brushed metal and shock-absorbing silicone protects the iPhone from impact, scratches and dents
Currently unavailable. We don't know when or if this item will be back in stock.

Technical Details

  • Brand Name: V-MODA
  • Model Number: VAMP
  • Color: Black/Red
  • Item Weight: 0.31 pounds

Product Description

Product Description

Amplify your inner audiophile and make your iPhone unique via VAMP. V-MODA's headphone AMP, DAC, metal casing and battery pack transforms the iPhone 4/4S into the ultimate spy-worthy gadget. The VAMP incorporates a 150mW x 2 amplifier that delivers optimal power to drive even the most power-hungry headphones and pure audio clarity for headphones of all sizes. VAMP also features a dedicated Digital to Analog Converter processor that bypasses the iPhone's analog output for the ultimate analog sound. Tuned by V-MODA's M-Class team, legendary musicians and Grammy-Award winning producers, the VAMP offers two selectable audio processing modes for the discerning audiophile. The PURE mode processes audio in the truest of forms and the VQ (V-MODA equalizer) mode tightens bass, sharpens the treble attack and adds a 3D sound that makes the music feel live. VAMP's To slink/SPDIF digital audio output enables the iPhone to double as an audiophile-level source. Powered by a 2200mAh battery, the VAMP functions as a backup power source almost doubling the iPhone's battery life. A unique aircraft-grade brushed metal exterior and shock-absorbing silicone protects the iPhone from impact, scratches and dents. VAMP is essential gear for the modern audio connoisseur to stand out from the crowd.

From the Manufacturer

VAMP product
See music in a new light.

His Master's VAMP
Her Master's VAMP.

Warranty Icons

Satisfaction Guaranteed
One-Year Warranty - each VAMP purchased from or any of our Verified Dealers is backed by an unrivaled 1-Year V-MODA Premier Warranty.

Hex design/utility, product, drivers, packaging and accessories are patented or patent pending.

VAMP Integrated Headphone Amp, DAC and Battery Pack for iPhone® 4/4S
Spy-worthy gadget for the modern audio connoisseur ushers in a new era of pure sound, sophistication and power. VAMP features a 150mW x 2 amplifier, dedicated pure Digital-Analog-Convertor, VQ audio enhancements, optical audio output and backup battery all integrated into a solid metal case that transforms an ordinary iPhone 4/4S into a sophisticated and stylish high fidelity device.

Powerful Amplifier
A 150mW x 2 amplifier bypasses the iPhone's internal amp designed for smaller ear buds and provides optimal power to drive even the most demanding headphones. VAMP's rotary volume knob allows you to finely adjust the volume and its hi/lo gain switch adjusts the output level to match the power required for both low and high-impedance headphones.

High-impedance headphones and professional / studio headphones require or benefit significantly from a headphone amplifier.

Pure Dedicated Digital to Analog Convertor
VAMP's dedicated DAC extracts the iPhone's digital output and converts it into its analog form for the purest and unparalleled audio listening experience.

Audio Enhancements
VAMP offers two, selectable, audio modes for the discerning audiophile.

  • PURE mode (red light) outputs audio in its original form
  • VQ mode (green light) adds a slight spatial 3D soundstage, tightened bass and increased treble attack that invigorates an all around sensory experience
Optical Audio Output
A SPDIF/Toslink digital audio output transforms the iPhone into a high fidelity source (optical cable sold separately).

Maximum Battery Vitality
A colossal 2200mAh lithium-ion battery provides up to 8 hours of playback. In a flick of a switch, the battery can serve as a backup power source and double the iPhone's battery life.

Metal Protective Case
Aircraft-grade brushed metal and shock absorbing silicone shields the iPhone from dents, breaks and scratches.

Integrating precision professional-grade components and unique audio processing technology into a high tech device, the VAMP is the ultimate gadget for mobile audiophiles around the world.

What the Critics are Saying About the VAMP Headphone Amp

"For the audio connoisseur, the VAMP is a great device" -New York Times

"the only high-performance portable that integrates so seamlessly with the iPhone" -Sound + Vision Magazine
"putting the VAMP on your iPhone is like watching it change into its superhero audio costume. There's nothing quite like it" -Popular Science

"for the finest sound possible from your iPhone, V-MODA has a new accessory [VAMP]" -Engadget
"Improves the quality and power of sound" - 6 Cutting Edge Gadgets,

"a headphone amplifier and battery backup is essential gear for the modern audio connoisseur" -Head-Fi Founder, Jude

  • Made in Japan
  • Power: 150 + 150mW (@32 Ohms)
  • Battery: 2200mAh Lithium-Ion w/ over-charge protection circuit
  • Signal to Noise Ratio: > 95dB
  • Distortion: < 0.04% (@10mW)
  • Headphone Resistance Compatibility: > 16 Ohms
  • Smartphone Compatibility: iPhone 4; iPhone 4S
  • Warranty: one year V-MODA premier warranty
  • Accessories: USB Cable
  • Weight: 135g
  • Compatibility: iPhone 4; iPhone 4S

Which V-MODA Headphone is for You?

  M-80 Crossfade LP2 Crossfade LP
Type On-Ear Over-Ear Over-Ear
Sound Signature M Class for "Modiophile" LP Class for "Live Play" LP Class for "Live Play"
Character balanced, precision bass, vivid mids, crystal clear highs, 3D sound stage refined vibrant bass, vivid mids, vivacious highs, 3D sound stage vibrant bass, vivid mids, vivacious highs, 3D sound stage
Driver 40mm Dual-Diaphragm 50mm Dual-Diaphragm 50mm Dual-Diaphragm
Passive Noise Isolation yes yes yes
Weight 200g 260g 260g
Kevlar® Reinforced Cables • 3-Button SpeakEasy mic cable
• 1-Button SpeakEasy mic cable
• 3-Button mic cable
• Audio Only cable
• 3-Button mic cable
• Audio Only cable
Customization yes gunmetal shields included yes
View / Compare the entire V-MODA Product Line

Made for iPhone


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Product Information

Product Dimensions 0.9 x 2.5 x 5 inches
Item Weight 5 ounces
Shipping Weight 8.8 ounces
Manufacturer V-MODA
Item model number VAMP
Customer Reviews
3.7 out of 5 stars 5 customer reviews

3.7 out of 5 stars
Best Sellers Rank #261 in Electronics > Accessories & Supplies > Audio & Video Accessories > Headphone Accessories > Amps
Date first available at May 30, 2012

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Inspired Imaging on December 27, 2012
Package Type: Standard Packaging Verified Purchase
The other reviews have been very comprehensive, so just a few small points to add...

The Vamp drives my HD650 and HD700 headphones to perfection. The VQ setting is particularly good for the HD650 to tighten the bass and "brighten" them up a bit. Really wonderful sound!

After reading some comparisons between this and the Go-Dap GD04, I found out that this is essentially the upgraded GD04 with OPA1622 opamp. Not sure about the other components, but the opamp is awesome. I also have an upgraded iBasso D4 with topflight kit and OPA1622 and they are VERY similar. Overall, the Vamp represents a great value.

Although only the iPhone 4/4S will fit in the case, a 30pin extension cable can be used to connect the Vamp to almost any iPod/iPhone/iPad made after the iPod classic. I haven't tried that out yet, but will update this review if that turns out to not be the case. There are 4 screws holding the phone casing on, so it looks like you could even remove that and put together your own case if you wanted.

Edit 1/9/13 - I sent my Vamp back for the firmware update and had to fall back on my iBasso D4 connected to an iPad with the camera connection kit. Using the upgraded OPA1622, I'm sorry to say that I was wrong- there is a noticeable difference between it and the Vamp. In short, the Vamp is clearer, has better bass presence, and a wider and more transparent sound stage. So, especially with my Hd650, the Vamp is the clear winner. I only sent it back in yesterday and I already miss it.

I also had the opportunity to test it with a 30pin extension cable. iPad, iPod touch, and iPhones were all fine. 160gb iPod classic did not charge nor play. So, this really will work with any of the newer "touch screen" I-devices, but not the classics.
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Package Type: Standard Packaging
I was one of, if not the first to order the VAMP through V-MODA's official website once it was put up for sale after months of rumors, speculations and advertisements. Featurewise, VAMP is a very unique product in many ways, and I'd like to discuss its functions and capabilities compared to other portable DAC's, amps, or DAC/amps before sharing my impressions.

First of all, VAMP is a portable DAC/amp for the iPhone 4/4S, but that doesn't mean its usage is strictly limited to an iPhone 4/4S. Although they won't fit into VAMP's case physically, you can also use other iDevices such as an iPod (including iTouch), iPhone 3GS, or iPad by with VAMP via a sync extension LOD (line out dock) cable . Of course, VAMP should still be used primarily with an iPhone 4/4S as it was meant to be for maximum comfort and portability. So if you don't own an iPhone 4/4S and isn't planning to get one, then VAMP will serve you little or no purpose.

VAMP is special in a way that it bypasses the in-built DAC of iDevices and utilizes its own DAC for better hi-fi performance. As far as I know, there are only three other portable devices capable of this feature: Cypher Labs Algorithm Solo (DAC only), Fostex HP-P1 (DAC/amp), and VentureCraft Go-DAP (the model which VAMP was based on). Most so-called DAC/amps, such as Fiio E17, aren't capable of this, because the ability to take the pure digital data out of an iDevice through LOD costs the product Apple's license fee. That explains why gears like HP-P1 or VAMP are a lot more expensive than other portable DAC/amps.

To summarize VAMP's functions:
#1. A solid case for iPhone 4/4S, protecting it from scratches (although it would break my heart to see my VAMP damaged instead)
#2. Extra battery for an iDevice, doubling its life
Read more ›
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Package Type: Standard Packaging Verified Purchase
I was soooooo excited to finally get one of these brand new for %25 of list price on Amazon's "black friday" sales. I have a pair of "V-MODA Crossfade LP2s" that I use every day, and was eager to start using what seemed to be a product sent from heaven. My first couple days with the product were mixed. The device is not intuitive, but if you keep the directions handy you will eventually learn the controls and the strange quirks about exactly when it will and won't charge your ipod, how to turn off "VQ," et cetera. The biggest PRO's for this item are the amp feature with VQ turned on and the structure of the device. VQ (which is described as though it is adding the spatial delay of external speakers, but they don't say that outright, so I'm not positive this is the effect) definitly improves the listening experience for all styles of music i tried. The structure of the device attracted a lot of compliments wherever I went. It also "feels nice" because of the increased size and weight. Having access to the iphone audio jack and the amplifier jack simultaneously made it easy to switch between them when the remote-mic/controls were more important to me than improved audio quality. The CONs, however, were all deal-breakers for me. The extra battery life is less than claimed since the amplifier itself is using it also, and the device doesn't even charge when plugged in unless you have a switch set the right way. The analog volume control would be nice if it didn't default to such a high volume. If you want to use the superior sound-processing of the amp without raising the volume, too bad. The lowest volume setting on the amp output much higher than the lowest volume setting on the iphone itself. The real irony here is that the problem is worst on v-moda's own headphones.Read more ›
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