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Boostaroo T613-BNC

Boostaroo Personal Headphone Audio Amplifier & Splitter w/ Steady on LED (Smoke Gray)

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The Boostaroo is an audio amplifier that separates the signal into individual stereo channels to drive 3 separate headsets or speakers. Depending on the ohm rating of your headphones, the Boostaroo will double the output of your player with no more than a 1% harmonic distortion.

No difference in output or frequency response was observed when one headphone was plugged in or when 3 headphones were plugged in at the same time. Signal to noise ratio was measured -95dBa from clipping level into a 33 ohm resistance. Distortion was measured just below the clipping level, at 0.3%, which is the residual distortion of the generator used.

The input impedance was found to be approximately 500 ohms. The output impedance was approximately 1 ohm. Maximum power transfers occur with a 32 ohm load. The Boostaroo employs similar output amplifiers to those found in CD players. Frequency response is equal to or exceeds specifications. Typical specifications are 20 to 20,000Hz +/- 2 dB (EIAJ CP-307 Method).

Product Features:
  • Battery Powered Portable Audio Amplifier for Home, Office, Laptop, or Kiosk
  • Increases the volume of any player by 2x (in stereo)
  • Solves the problem of low volume from personal portable media devices
  • Small size fits in the shirt or pants pocket with a player
  • Works with anything that has a 3.5mm headphone jack
  • Offers 3 outputs jacks for use with 3 headphones or speakers
  • Provides the smallest footprint available for an audio amplifier
  • LED light lets the user know the unit is on
  • Rugged and durable casing will last for years
  • Great for students, business presentations, teachers, and more
  • Use of alkaline batteries is suggested for longer playing time. Also works with rechargeable batteries; nickel-metal hydride type preferred
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
dB Gain Specifications:
  • Into 8 ohm headphones: approximately 40 mW per channel, 12 dB gain in sound per channel
  • Into 16 ohm headphones: approximately 40 mW per channel, 12 dB gain in sound per channel
  • Into 25 ohm headphones: approximately 40 mW per channel, 11.1 dB gain in sound per channel
  • Into 32 ohm headphones: approximately 30 mW per channel, 10.9 dB gain in sound per channel
  • Into 64 ohm headphones: approximately 13.8 mW per channel, 10 dB gain in sound per channel
Technical Specifications:
  • Input: One 3.5mm (1/8") Stereo Plug
  • Input Impedance: 500 ohms @ 1 kHz
  • Outputs: Three 3.5mm (1/8") Stereo Jacks
  • Output Impedance: 1 ohm
  • THD: <0.3%
  • Frequency Response: 20 to 20,000Hz
  • Power Requirements: 3.0 VDC: Two size AA batteries are required
  • Weight: 3 oz
  • Dimensions: 4-1/2"L x 1-1/16"W x 1-1/2"H
Package Includes:
  1. Smoke Gray Battery Powered Boostaroo Headphone Amp
  2. Boostaroo Owners Manual

Headphone Amplifier Specifications

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.
Portable
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.
No
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).
20 - 20,000 Hz
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.
0.3%
Input Connection
This is the manner in which the headphone amplifiers receive an input audio signal.
3.5mm Mini-Jack
Input Impedance
This is the input impedance of the headphone amplifier.
500 ohms
Output Connection
This is the manner in which the headphone amplifier will output the audio signal.
3.5mm Mini-Jack
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.
3
Output Power
This is the output wattage of the headphone amplifier. It is measured in mW.
40 mW
Output Impedance
This is the output impedance of the headphone amplifier.
1 ohms
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.
AA Batteries
Width
The width of the item from left to right (side-to-side) measured in inches.
1-1/16"
Height
The height of the item, measured from top to bottom, in inches.
1-1/2"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
4-1/2"

DAC Specifications

Maximum Output Voltage
This is the maximum voltage that the amplifier or preamplifier is able to output.
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.
0.3%
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
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.
AA Batteries

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

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
71%
4 Star
14%
3 Star
0%
2 Star
0%
1 Star
14%

Average Attribution Rating

Durability
4.3
Value
3.9
Features
3.6
Design
4.0
Usability
4.4
Angie

Salem, MA

Overall
Durability
Value
Features
Design
Usability
Great product! Exactly what I was looking for!!!

December 6, 2013

I bought this product as a gift for my father who loves to jog, but has a hard time hearing his tunes on his MP3. Even at full volume, he still could barely hear the music. The Boostaroo made short work of this problem! It's small enough that it can fit easily into his pocket while he runs and now he can hear all his favorite songs at full volume. GREAT PRODUCT!!! Thanks Boostaroo : )

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Rick

Lady Lake, FL

Overall
Durability
Value
Features
Design
Usability
works as advertised

November 22, 2013

Does increase the audio level, not sure it's doubled, but that's had to tell and subjective. Wish it had a level control and also amplified to a higher gain 6db would have been nice. But, it does what it was advertised to do so it gets a thumbs up from me.

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smitty67

Canada

Overall
Durability
Value
Features
Design
Usability
Amazing Invention

August 12, 2013

Truly boosts volume in my iPOD touch to 2x the level. Outstanding sound quality. Everything I hoped for in a portable volume booster.

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milhous451

denver, co

Overall
Durability
Value
Features
Design
Usability
bosteroo T613 total joke do not buy

August 11, 2013

the T613 requires an old-configuration alkaline battery to be the lead battery or it will not work. the trailing battery can be any kind of battery. the old-config alkalines are no longer manufactured. new alkalines do not work the port through which the output signal is circular. this means it can twist 180 degrees and eventually becomes flaky and then dies off altogether. the translucent plastic piece that snaps over the batteries loses its grip after 3 months and has to be held on by a rubber band it's obsolete and no longer in stock

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BL

Washington, DC

Overall
Durability
Value
Features
Design
Usability
Great Product

July 19, 2013

Works great for boosting your sound, especially if its a quiet recording.

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Boxmaster

Sugar Land, TX

Overall
Durability
Value
Features
Design
Usability
Boostaroo

December 31, 2012

3rd one I own and bought another for my son. Had the first one for years and the cord eventually kinked so I replaced it and have one for at home and one I travel with. Does everything it claims to do!

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Fire Star

Pleasanton, Ca

Overall
Durability
Value
Features
Design
Usability
Good buy

August 30, 2012

I use this product to amplify the signal from my MP3 player to feed it into the stereo system. It works well for that purpose. The amplification Boostaroo provides is fixed. I wish it provides a bit more amplification.

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Product Summary

Manufacturer

Model Number

T613-BNC

UPC

880773139431

Weight

0.20lbs

Internal SKU

t613bnc

Internal Product ID

30358

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: Boostaroo T613-BNC