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i.Fuzen Headphone Amplifiers

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Some headphone amplifiers are designed to be portable and others are meant to be placed on a desk. This will tell you what style of amplifier this item is.
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This is the manner in which the headphone amplifiers receive an input audio signal.
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This is the manner in which the headphone amplifier will output the audio signal.
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A Digital-to-Analog converter (also known as a DAC) converts a digital audio signal into an analog signal. This is especially helpful for listen to music from digital sources, such as iPods and smart phones.
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This is the required way to give the unit power. Common power sources are 120V AC (Common house plugs), batteries, or a combination of the two. If the headphone amplifier uses batteries, this will list the type of batteries that are required. Please refer to the description to find out how many are required for the unit to be properly powered.
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iPhone 4/4S All-in-One Headphone Amplifier, Extended Battery, and Protective Case!

i.Fuzen HP-1 (Original V1 - Black) iPhone 4/4S Case with Built-in Amp, Case, and 1650mAh Battery

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i.Fuzen HP-1 (Original V1 - Black) iPhone 4/4S Case with Built-in Amp, Case, and 1650mAh Battery

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

i.Fuzen HP-1 # (Sharp - Black)

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

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iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

HP-1-#-SHARP-BLACK small

Item added to your cart.

Price: $49.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

i.Fuzen HP-1 # - Sharp - White

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

Go to item page Right Arrow Icon of Right Arrow

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• White

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• White

i.Fuzen HP-1 (Original V1 - White)

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

Go to item page Right Arrow Icon of Right Arrow

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

Full-Featured Hard-Shell Case • Compatible With iPhone 4/4S • Built-In Battery to Extend Battery Life Up to 44 Hours • Built-In Headphone Splitter and Amplifier • White

Full-Featured Hard-Shell Case • Compatible With iPhone 4/4S • Built-In Battery to Extend Battery Life Up to 44 Hours • Built-In Headphone Splitter and Amplifier • White

HP-1-WHITE small

Item added to your cart.

Price: $69.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

iPhone 4/4S All-in-One Headphone Amplifier, Extended Battery, and Protective Case! Open Box

i.Fuzen HP-1 (Original V1 - Black) iPhone 4/4S Case with Built-in Amp, Case, and 1650mAh Battery

Go to item page Right Arrow Icon of Right Arrow

i.Fuzen HP-1 (Original V1 - Black) iPhone 4/4S Case with Built-in Amp, Case, and 1650mAh Battery

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

• Full-Featured Hard-Shell Case
• Compatible With iPhone 4/4S
• Built-In Battery to Extend Battery Life Up to 44 Hours
• Built-In Headphone Splitter and Amplifier
• Black

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