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Apogee GROOVE + Beyerdynamic DT 770 Pro 32 Ohm

Portable USB DAC and Headphone Amplifier for Mac, PC and Closed Studio Reference Headphones

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Apogee GROOVE + Beyerdynamic DT 770 Pro 32 Ohm

Portable USB DAC and Headphone Amplifier for Mac, PC and Closed Studio Reference Headphones

$366.92

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Apogee Groove

24-bit 192 kHz USB DAC and Headphone Amplifier for Mac and PC
Quantity: 1

General Features:

  • Portable USB DAC and Headphone Amplifier for Mac and PC
  • USB 2.0 connection to Mac and PC
  • Up to 24 bit / 192kHz audio
  • ESS Sabre DAC
  • Enhances your iTunes, Pandora, Spotify, Tidal or other music listening experience
  • Constant Current Drive provides smooth frequency response with any headphones
  • Quad Sum DAC, 4 DACs per channel for highest dynamic range and lowest distortion
  • Asynchronous clocking
  • Multi-color LEDs for status and level indication
  • Powered by USB
  • Top panel buttons for adjusting volume level
  • Built in the USA
  • Dimensions: 3.75"W x 1.8"D x 0.62"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's in the Box?

  • Groove
  • USB Cable (1 ft)
  • Carrying pouch
  • Product booklet (Quick Start Guide, Warranty Information)
  • Instructions for download of software and complete documentation

Beyerdynamic DT 770 Pro 32 Ohm

Closed Studio Reference Headphones for Mixing, Mastering, Monitoring and Recording
Quantity: 1

General Features:

  • Closed diffuse-field studio headphone
  • "Bass reflex" technology for improved bass response
  • Comfortable fit due to rugged, adjustable, soft padded headband construction
  • Robust, easy serviceable construction as all parts are replaceable
  • Velour, circumaural and replaceable ear pads
  • 3.0 m (9.8 ft.) coiled cable (single-sided)
  • Including drawstring bag
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty

Product Specifications:

  • High Quality Dynamic Speakers Unit: 45 mm
  • Impedance: 32 Ohm
  • Sensitivity: 96 dB/mW
  • Frequency Range: 5 Hz ~ 35,000 Hz

Headphone Amplifier Specifications

Digital-to-Analog Converter (DAC)
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.
Frequency Response
The range of frequencies the amplifier 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).
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
Input Connection
This is the manner in which the headphone amplifiers receive an input audio signal.
Input Impedance
This is the input impedance of the headphone amplifier.
Output Connection
This is the manner in which the headphone amplifier will output the audio signal.
Number of Outputs
Some headphone amplifiers have a built-in splitter so multiple pairs of headphones can be connected to it. The number specified here is the number of headphones that can be connected to the amplifier.
Output Power
This is the output wattage of the headphone amplifier. It is measured in mW.
Output Impedance
This is the output impedance of the headphone amplifier.
Power Requirement
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.
Width
The width of the item from left to right (side-to-side) measured in inches.
Height
The height of the item, measured from top to bottom, in inches.
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
Amplifier Style
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.

DAC Specifications

Power Requirement
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.
Output Impedance
This is the amount of impedance that the microphone allows.
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
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).
Crosstalk
Crosstalk is defined as the unwanted transfer of signals across communication channels. The higher this number is, in dB, the better crosstalk rejection the DAC is capable of.
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
Digital Inputs
The type of digital inputs the digital-to-analog converter features.
Jitter
Jitter is a deviation in or displacement of the pulses in a high-frequency digital signal.
Line Level Outputs
The type of analog line level outputs the DAC features.
Sample Rate
Maximum Output Voltage
This is the maximum voltage that the amplifier or preamplifier is able to output.

Specials with this Item

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Warranty and Return Policy

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

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Product Summary

Manufacturer

Model Number

GROOVE2_DT77032

Weight

1.40lbs

Internal SKU

groove2_dt77032

Internal Product ID

106891

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: Apogee GROOVE + Beyerdynamic DT 770 Pro 32 Ohm

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