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Your listening experience reinvented. Live concerts on the go. Powerful. Featherlight. Stylish. And battery-free!
Your listening experience reinvented. Live concerts on the go. Powerful. Featherlight. Stylish. And battery-free!
Your listening experience reinvented. Live concerts on the go. Powerful. Featherlight. Stylish. And battery-free!
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3,462 backers pledged $311,788 to help bring this project to life.

About this project

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AQUA - World's Lightest Headphone Amplifier, Battery-free

$311,788

3,462

Is listening to music with your phone an everyday thing for you? If so, are you happy with the sound quality? Actually, high sound quality is readily achievable. You don't need any loudspeaker or stereo set, but an AQUA. Let AQUA fulfill your heart's desire for studio-quality music anytime, anywhere. Whatever you're doing, jogging, on your way to work, or just chillaxing, enjoy an exquisite listening experience with AQUA!

 Listening to music has become an indispensable part of life. Never is there a shortage of people saving up to buy pricy headphones, just to enjoy clarity and high quality music. The price of those high-end headphones, however, isn't usually friendly or readily affordable. Do I have to spend so much money to enjoy quality music?

We believe the pleasure gained from listening to music is priceless. HiFi amplifiers for headphones are supposed to be affordable for everyone! Our team has been working tirelessly and going through countless hours of trial and error. 

And finally, AQUA was born.

Battery-free. No need to recharge. Mini in size. Stylish metallic design. AQUA definitely meets all your needs for high quality music. 

 AQUA is the world's only battery-free amplifier especially designed for headphones. Through MicroUSB and iOS Lightning, AQUA connects directly to mobile devices such as phones and tablets. With its stylish design, it's your best friend for high quality music. It allows you to have awesome listening experience anytime, anywhere.

Headphones:
Do you know that normally, however great the sound quality is, when it's played from a phone, it becomes 16bit/48kHz music. Hey that's lousy, right? It's like you're listening to music with some clothes in your ears. Pretty nasty, huh?

AQUA:
But with AQUA, you easily take away the clothes and get to enjoy the best sound. The built-in high quality DAC supports 24bit/192kHz. Your great music can be heard and felt. Every single detail!

Forget about time:
AQUA needs no battery, hence no need to worry about recharging at all! Simply connect AQUA with your phone and headphones. Enjoy great music and fun anytime, anywhere, as long as your phone is on.

High-end Headphone Level of Sound Quality:
AQUA, wIth the built-in high quality DAC (digital to analog converter,) and HiFi sound performance, gives your more than CD quality (16-bit/44.1kHz.) AQUA presents 24-bit/192kHz quality sounds. You can get the best listening experience without turning up the volume to 100. Crystal clear and full sound.

Exclusively for Headphones:
We've designed for headphones an exclusive chip that amplifies 60mW circumaural headphones and earbuds with ease. No matter if you're using a $30 headphone or better ones, you can feel the upgrade with AQUA.

Classy Design: 
More than audio, we'd like to surprise you visually and sensationally. Cast aside cheap plastic material, we use aluminum to forge AQUA's exquisite look. Like Apple, we adopt CNC machining, because we view AQUA as not just an amplifier, but also a fashionable accessory.

World's Lightest Amplifier:
To make everyone enjoy perfect user experience, we minimize AQUA as best as we could. The line-like design makes it feel like part of the headphones. Plus the less than 1-dollar weight: 16g only! Users will forget that they're using AQUA. Who says amplifiers need to be huge?

AQUA supports: 

Tell the differecne while listening to the following music sites

 *中國、香港及澳門的朋友注意:技術問題,我們誤把運費設錯了,抱歉。其實是10美元才對。這兩地的朋友,煩請贊助時加上10美元(運費),地點選擇「台灣」,我們就能為您出貨。

We've met all the stretch goals! Every backer who pledges and chooses at least one AQUA will receive the following rewards:

1. Remote Volume Control       Goal: 150K (REACHED!)

We heard you :) Aside from the existing play/pause button, there will be volume control/fast forward/rewind buttons on both Lightning and Micro-USB versions to meet your needs.

2. Leather Case                        Goal: 180K (REACHED!)

Classic leather case to go with your stylish AQUA.

3. Colorful AQUA                     Goal: 220K (REACHED!)

When this goal's reached, AQUA will be available in 3 colors: silver, space gray, and the existing gold. Excellent complement for your phone(s).

4. Take Me with You                 Goal: 260K (REACHED!)

A light and easy-to-carry case for you to keep your earbuds and AQUA together.

 NEXUM is a Taiwanese team, striving to bring high quality music to the world. We believe that good music can cheer people up and change their attitudes towards life. We've been focusing on developing audio products to deliver great music in a simple and affordable way. AQUA is the first product you acquired form us, and your first step to improve your music. NEXUM will never cease to impress and enhance your music experience in any way possible. 

SPECIAL THANKS

Risks and challenges

As of now, AQUA's production-related arragements have been made. We'll be able to deliver the rewards to you should we reach our funding goal. The only possible exception will be: we revise AQUA after discussing with Apple pertaining Apple MFi certification. We'll keep you in the loop through updates.

We sincerely hope enjoying music can be easy and elegant. Join us on the project to help us make it happen!

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FAQ

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  1. Reward no longer available

    Pledge $39 or more About $39

    Super early bird

    AQUA x1 for Lightning

    Fast is not enough to describe you. Lightning, maybe.

    (Retail price: $79)

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    Reward no longer available 50 backers
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  2. Select this reward

    Pledge $39 or more About $39

    Super early bird

    AQUA x1 for Micro-USB

    What a super fast android phone user you are!

    (Retail price: $79)

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    Limited 49 backers
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  3. Reward no longer available

    Pledge $49 or more About $49

    Early bird

    AQUA x1 for Lightning

    Early birds get the ... amplifier, for iPhone.

    (Retail price: $79)

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    Ships to Anywhere in the world
    Reward no longer available 200 backers
    $
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  4. Select this reward

    Pledge $49 or more About $49

    Early bird

    AQUA x1 for Micro-USB

    Early birds get the ... amplifier, for android phone.

    (Retail price: $79)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 199 backers
    $
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  5. Reward no longer available

    Pledge $59 or more About $59

    My one and only

    AQUA x 1 for Lightning

    You're my one and only AQUA. For iPhone.

    (Retail price: $79)

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    Estimated delivery
    Ships to Anywhere in the world
    Reward no longer available 600 backers
    $
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  6. Reward no longer available

    Pledge $59 or more About $59

    My one and only

    AQUA x 1 for Micro-USB

    You're my one and only AQUA. For android phone.

    (Retail price: $79)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    Reward no longer available 150 backers
    $
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  7. Select this reward

    Pledge $59 or more About $59

    My one and only (Batch #2)

    AQUA x 1 for Lightning

    You're my one and only AQUA. For iPhone.

    (Retail price: $79)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    827 backers
    $
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  8. Select this reward

    Pledge $59 or more About $59

    My one and only (Batch #2)

    AQUA x 1 for Micro-USB

    You're my one and only AQUA. For android phone.

    (Retail price: $79)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    355 backers
    $
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  9. Select this reward

    Pledge $99 or more About $99

    AQUA 2 go

    AQUA x 2 (choose your combination)

    Have a good pair of AQUAs.
    (1 Lightning + 1 Micro-USB / 2 Lightning / 2 Micro-USB)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 299 backers
    $
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  10. Select this reward

    Pledge $99 or more About $99

    AQUA 2 go (Batch #2)

    AQUA x 2 (choose your combination)

    Have a good pair of AQUAs.
    (1 Lightning + 1 Micro-USB / 2 Lightning / 2 Micro-USB)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    461 backers
    $
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  11. Reward no longer available

    Pledge $138 or more About $138

    Give 3 cheers to AQUA

    AQUA x 3 (choose your combination)

    Good bargain for 3.

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    Estimated delivery
    Ships to Anywhere in the world
    Reward no longer available 50 backers
    $
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  12. Select this reward

    Pledge $138 or more About $138

    Give 3 cheers to AQUA (Batch #2)

    AQUA x 3 (choose your combination)

    Good bargain for 3.

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    Estimated delivery
    Ships to Anywhere in the world
    88 backers
    $
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  13. Reward no longer available

    Pledge $230 or more About $230

    Give me 5!

    AQUA x 5 (choose your combination)

    Simply give me 5 AQUAs.
    (How many Lightning/Micro-USB? Your say.)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    Reward no longer available 50 backers
    $
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  14. Select this reward

    Pledge $230 or more About $230

    Give me 5! (Batch #2)

    AQUA x 5 (choose your combination)

    Simply give me 5 AQUAs.
    (How many Lightning/Micro-USB? Your say.)

    Less
    Estimated delivery
    Ships to Anywhere in the world
    16 backers
    $
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  15. Select this reward

    Pledge $450 or more About $450

    A perfect 10

    AQUA x 10 (choose your combination)

    Bargain for sharing with friends!

    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 23 backers
    $
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  16. Select this reward

    Pledge $450 or more About $450

    A perfect 10 (Batch #2)

    AQUA x 10 (choose your combination)

    Bargain for sharing with friends!

    Less
    Estimated delivery
    Ships to Anywhere in the world
    2 backers
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Funding period

- (55 days)