Grace Digital GDI-AQBUD20

IPX7 Rated Waterproof Stereo In-Ear Headphones w/ Flexible & Comfortable, Flexible Ear-Hook

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Grace Digital Audio ECO Buds

Grace Digital Audio is a California based company that has a research and development (R & D) department stationed in multiple countries. The company is compiled of numerous associates that have incredible depth, and knowledge in the entertainment industry. For years, Grace Digital has been making some of the best products available to add a little more excitement to your fun time. A variety of some of the most popular Internet Radio devices, like the Mondo, to some Home Audio equipment like the Bravado-X, to some of the most demanded Waterproof Portable Bluetooth Speakers on the market like the EcoXBT, and the EcoRox. It should come as no surprise to see the ECO Buds (model GDI-AQBUD20) available in their assortment, seeing as how they have managed to conquer the normal restrictions that water presents with electronic devices, time and time again. The ECO Buds or "EcoXBuds" are a pair of IPX7 Rated Waterproof Ear Buds designed to withstand the damage that water normally creates. Perfect for use with your iPod, iPhone, Galaxy S4 or Galaxy Note, or any other MP3 player, the ECO Buds include 4 sizes or comfortable ear tips for added comfort, and flexible earhooks for a tight, secure fit. So take back the water, and enjoy your music anywhere.

What's In The Box?
  1. Grace Digital ECO Buds Waterproof Earbuds
  2. 4 Pairs of Elastomer Earplugs (2x Small, Medium, Large, X-Large)
  3. Secure-Fit Ear Hangers
  4. User Guide
  5. Warranty Information

General Features:

  • Indoor and Outdoor Secure-Fit Ear Bud Type Stereo In-Ear Headphones
  • 100% Waterproof, Rainproof, Sweatproof, and just about any other form of water proof Earbuds IPX7 Rated and capable of being completely submerged in water up to 10 feet deep
  • Standard 3.5mm Stereo Connection compatible with all iPod, iPhone, iPad, Galaxy, Xperia, HTC One, and any other portable media players
  • Designed with a low 16 Ohm impedance to drive the deepest levels of bass, and full, detailed mids & highs off your smartphone or MP3 players
  • Includes 4 pairs of elastomer earplugs to offer a perfect seal to all users, preventing any leakage and water entering inner ears during usage
  • Flexible Ear Hooks (Ear-Clips) comfortably secure the earphones tight to users ears while performing physically demanding activities, or leisure time
  • Ideal for swimming, jogging, running, workouts at the gym, or even casual listening
  • Paired perfectly with and included in the popular Eco Pod, Available In Orange , and Black
  • ECO Buds Primary Color: Black
  • ECO Buds Part Number: GDI-AQBUD20 (GDIAQBUD20)
  • ECO Buds Are Also Found As: Grace Digital EcoXBuds, ECO X Buds, Eco Ear Buds, ECOX Buds
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Headphone Type: Inner-Ear Canal, Ear Buds
  • Speaker Type: Dynamic Driver
  • Frequency Response: 20 Hz - 20,000 Hz
  • Impedance: 16 Ohms
  • Sensitivity: 15 dB +/- 5 dB
  • Rated Input Power" 5 mW
  • In-Line Microphone: No
  • Ear Pieces: 4 Pairs, Elastomer
  • Waterproof Rating: IPX7, up to 10 Feet
  • Cable Length (Approx): 4 Feet (1.2 Meters)
  • Cable Connector: Standard 3.5mm (1/8"), Stereo Mini Jack

Headphone Design

Headphone Type

This is the design of the earpieces on the headphones. Some headphones go inside the ear, while others rest on the outside of the ear. This helps you know exactly what type of headphones you will be receiving.

In-Ear: The ear buds go into the ear. Most often, the right and left ear buds are two separate pieces.

Enclosed-Ear: Usually are found on the larger headphones. They rest on top of the ear and have padding for comfort, as well as enclosing the ear to the speaker. This type of headphone helps to filter out surrounding noise.

On-Ear: This type of headphone involves the speaker sitting gently on the ear without going in the ear or sealing it off.

Headband Type

Headphone type refers to the construction of the headphones.

Around the Ear means that the headphones wrap around the ear to provide a secure fit. This is most often seen in active and sports headphones.

Around the Neck means that the headphones wrap around the neck. This is also seen in active and sports headphones.

Earbuds means that the right and left sides of the headphones are separated and will fit securely into the ear. These are small, compact, and user friendly.

Over the Head headphones mean that the right and left speakers are connected with a support that goes over the head and rests on top. This is the typical headphone type.

Specifically For
Some headphones can use an IR Transmitter in your vehicle, while some can be plugged into your media device and be used on the go or at home.
Headphone Application

This is the application that the headphones are designed for. Each application has unique features that make it perfect for particular uses.

DJ: These headphones are durable, loud, and will often allow for one ear listening.

Gaming Delivers explosive sound and allows you to communicate with others.

Home Hi-Fi: These audiophile headphones are engineered to produce high fidelity and accurate audio.

Home/Office: These headphones are designed to produce rich, brilliant sounds that the artists would appreciate.

Sports: Designed for active use. These headphones are made to stay in (or on) the ear during workouts.

Kids: Feature noise limiting technology so that your little ones don't damage their ears listening to music too loud.

On-the-Go: On-the-go headphones are lightweight and often fold up for easy storage and portability.

Student: Compact and rugged enough to survive life in a backpack; inexpensive enough to not hurt the wallet of a student.

Studio: Reproduce music perfectly without any coloration. Look here for reference quality studio monitoring headphones.

Traveler/Airplane: These headphones are compact, lightweight, and have a portable design.

Acoustic Principle

The basic design of the headphones. There are 3 different types:

Open: Have ports that allow air through the back of the diaphragms, enabling the headphones to sound like the music is coming from an outside source.

Closed: Completely sealed and have no air passing through the diaphragms. Sounds like you are in a closed off room.

Semi-open: Have slots or ports in the back of the cup and are partially open. This allows for a mixed sound between an open and closed headphone.


General Features

Noise Reduction technology removes unwanted noise from a signal. Background or ambient noise can be removed to produce clearer speech and enhanced hearing. Typically these Active Noise Canceling (ANC) headphones are powered and use batteries to activate the noise canceling technology. Also referred to as Noise Reduction or Noise Cancellation.
Built-In Microphone
This means that the headphones or earbuds have a built-in microphone. This can be a microphone on the cord, built into the headphone, or even a boom microphone. These mics can be used for music devices like iPods, for Smartphones to make and receive calls, or for gaming purposes.
Headphone Connection
This is how the headphones connect to the audio source.

Corded means that the headphones use a cord to transfer the audio signal.

Bluetooth means that the audio signal is transmitted from your device to the headphones via a Bluetooth connection.

Corded or Bluetooth means that the headphones can be used as corded headphones or as Bluetooth headphones. They have an input in one or both earcups for use as a corded headphone while they also have a built-in battery for use as Bluetooth wireless headphones.

Wireless means that the audio signal is transmitted wirelessly to the headphones.

Volume Adjustment
Volume Adjustment means that the headphone (independent of the source) can adjust the playback volume. Many headphones and ear buds have in-line volume control, which allows adjusting the audible volume from a switch on the headphones cord. Other headphones have a volume knob on the headphone can.
Connector Type
The type of connection the headphones use to connect to receive the audio signal from a music source. Traditional headphones use an analog 3.5mm headphone jack. Newer technology has allowed digital signals to be sent directly to the headphone using an Apple Lightning or USB-C cable.

Audio Features

Driver Type

The physical design of the driver in the headphones.

Balanced Armature:
A balanced armature driver uses a coil wrapped around an armature which is held in between two magnets until it is stimulated by an electrical current. When stimulated, this armature is magnetized which causes it to rotate one way or the other around a pivot point which moves the diaphragm to create sound. Balanced armature driver headphones are generally earbuds and can have multiple drivers in each earbud.

Dynamic drivers are the most common driver type. They feature a permanent magnet, usually neodymium, a voice coil and a conical diaphragm to drive your music. A dynamic headphone driver looks pretty much identical to any typical home theater speaker.

Electrostatic drivers are made up of an extremely thin membrane, usually a coated PET film, stretched between two metal plates. An electrical signal is applied to the metal plates to create an electrical field which, depending on its polarity, draws the speaker diaphragm toward one of the plates which forces air through the perforations in the diaphragm which generates the sound wave.

Planar Magnetic:
A planar magnetic driver is made up of a large membrane suspended between two sets of oppositely aligned magnets. An electric charge is applied to the membrane to induce movement and produce sound waves.

The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
16 ohms
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
15dB+/-5 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 20,000 Hz

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Grace Digital GDI-AQBUD20