Dual Electronics Micro Amplifier Bookshelf DBTMA100 User Guide

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Introduction of Dual DBTMA100 Bookshelf Micro Amplifier

Introducing the Dual DBTMA100 Bookshelf Micro Amplifier, a powerful and versatile audio solution designed to meet all your home entertainment needs. With an estimated price range of $300 to $350 and a launch date set for late 2023, this bookshelf amplifier is perfect for music lovers, audiophiles, and home theater enthusiasts. Its sleek and modern design, combined with its advanced features, make it a must-have for anyone looking to elevate their audio experience.

What’s in the box

Dual Electronics DBTMA100 BOOKSHELF MICRO AMP-fig-1
  • DBTMA100

  • AC/DC Wall Power Adapter

  • User Manual

Specifications

Bluetooth

  • BT: 4.2

  • BT Range: 33Ft / 10M (Class 2)

  • BT Profiles: A2DP / AVRCP

Amplifier

  • Frequency Response: 20~22kHz

  • Channels: 2

  • Bridgeable: No

  • Amplifier Type: Class D

  • Power Input: 15VDC / 2A (up to 24VDC / 5A allowed)

  • RMS Power Output: 25W x 2 / 15VDC @ 4Ω

  • MAX Power Output: 50W x 2 / 24VDC @ 4Ω

  • Minimum Impedance: 4~8Ω nominal

General

  • Storage Temperature: 5oF to 160oF / -15oC to 72oC

  • Operation Temperature: 14oF to 125oF / -10oC to 52oC

  • Weight: 1.15lbs / 2.4Kg

  • Dimensions Inches WxDxH: 5.75 x 4.25 x 1.50

  • Color: Black

MAIN CONTROL PANEL

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  1. UNIT ON/OFF VOLUME LEVEL TOP LED ON/OFF

  2. 3.5mm AUX INPUT

  3. BLUETOOTH STATUS LED

  4. BLUETOOTH PAIR BUTTON

  5. BASS LEVEL

  6. TREBLE LEVEL

Dual DBTMA100 Bookshelf Micro Amplifier Wireless Operation

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BLUETOOTH PAIRING

  • Turn ON the unit – LONG Press 1 3 seconds

  • Long Press  4 3 seconds

  • Turn on your Devices Bluetooth LED Status Menu

  • Look and tap on DBTMA100 name

  • Once paired, a confirmation tone will be heard

  • Streaming is now ready

BLUETOOTH LED STATUS

  • BLUE LED BLINKING = BLUETOOTH NOT PAIRED

  • BLUE LED ON = BLUETOOTH PAIRED

Tips: To clear all previously paired BT Devices – LONG PRESS 4 for 10 seconds

Streaming Music

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NOTE: Use you Devices touch screen to control media

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  • 1 VOL UP/DOWN

  • 4 PLAY/PAUSE

  • 5 BASS LEVEL -6dB | 0 |+6dB

  • 6 TREBLE LEVEL -6dB | 0 |+6dB

NOTE: To help conserve power, the DBTMA100 will automatically power Off after 9 minutes of non-use.

Tips VOLUME level will automatically sync with most iOS Devices. Supported Android devices may require additional setup in the Bluetooth settings menu, consult your phone manual for additional information.

Description

The Dual DBTMA100 Bookshelf Micro Amplifier is a high-quality, versatile amplifier that delivers crystal-clear audio with powerful bass and rich treble. Its compact size and sleek design make it a perfect fit for any home entertainment setup, while its advanced features, such as multiple input options, remote control, and headphone output, ensure a seamless and enjoyable listening experience. With its excellent signal-to-noise ratio, low distortion, and wide frequency response, the DBTMA100 is an ideal choice for discerning audiophiles and casual listeners alike.

Dual DBTMA100 Bookshelf Micro Amplifier Installation

The DBTMA100 wall power adapter should be permanently connected to 120VAC wall mains

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  • Use a small flat blade screw driver to depress speaker spring terminals

  • Strip speakers wires back approximately 1/4”

  • Make sure speakers wires do not short together

  • Ensure speaker wire polarity is correct

Placement

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Your DBTMA100 amplifier should be installed in a well ventilated location, such as bookshelf. It is highly recommended to be within 30 feet of your speakers.

Hard Wiring

Use minimum of 16 gauge copper speaker wire (not included)

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  • Do not wire LefT & RIGhT speaker impedance below 4OHM

  • Do not install near, or in areas that can get wet. Double check to make sure install area does not have hazards concealed within them, such as electrical wires or plumbing. Always install in areas that are sturdy enough to support the amplifiers weight, and make sure it cannot fall or cause injury.

Expanding the system
The ReAR RCA OUTPUTS can be connect to another external amplifier to expand the system

Experiment for Better Sound
You should experiment with various placements. Room acoustics can produce large apparent differences in the sound when small changes in the placement are employed.

For example, although the speaker may be located at any height above the floor, directing the tweeter toward ear level or angling the entire speaker toward the listening position often provides the most realistic imaging experience. The amount of bass perceived increases as you move a speaker closer to solid intersecting room surfaces (walls, ceiling, floor).

Setup Guide

Setting up the Dual DBTMA100 Bookshelf Micro Amplifier is a breeze. Simply follow these steps:

  1. Unbox the amplifier and connect the power cord to a wall outlet.
  2. Connect your speakers to the amplifier using the provided speaker cables.
  3. Select your preferred input source, such as a turntable, CD player, or streaming device, and connect it to the amplifier's input jack.
  4. Adjust the volume and tone controls to your liking.
  5. Turn on the amplifier and enjoy your favorite music or movies.

Safety Information

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un-isolated, dangerous voltage within the inside of the device that may be of sufficient magnitude to constitute a risk of electric shock to persons

  • WARNING: To reduce the risk of electric shock, do not remove cover or back plate as there are no user-serviceable parts inside. Refer servicing to qualified personnel

  • The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and servicing instructions in the literature accompanying the device

Bluetooth

The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks is under license.

IMPORTANT SAFETY PRECAUTIONS

  • The DBTMA100 does not have a weather resistant design, it should not be submerged in or underwater under any circumstances

  • Set your volume control at a low setting, then slowly increase the sound until you can hear it comfortably without distortion, or ear discomfort.

WARNING – Never leave this product in direct sunlight, overheating can cause permanent

  • Wash with a mild soap or detergent and lukewarm water using a clean sponge or a soft cloth. Rinse well with clean water.

“Don’ts” – Very Important

  • DON’T use abrasive or highly alkaline cleaners on the main body

  • DON’T ever use acetone or carbon tetrachloride

This product must not be disposed of or dumped with your other household waste. You are liable to dispose of all your electronic or electrical waste equipment by relocating over to the specified collection point for recycling of such hazardous waste. Isolated collection and proper recovery of your electronic and electrical waste equipment at the time of disposal will allow us to help conserving natural resources. Moreover, proper recycling of the electronic and electrical waste equipment will ensure safety of human health and environment. For more information about electronic and electrical waste equipment disposal, recovery, and collection points, please contact your local city center, household waste disposal service, shop from where you purchased the equipment, or manufacturer of the equipment.

Troubleshooting

TROUBLECAUSESOLUTION

 

 

 

Unit will not turn on

AC Power is OFFTurn wall switch ON / check breakers
AC/DC wall adapter is unpluggedPlug AC/DC adaptor into wall

 

 

 

No sound is heard

Volume level is low or mutedTurn the DBTMA100 volume level up
Device is paused or mutedCheck your Devices playing / volume status
The audio quality is poorDevice volume level is too low or mutedRaise the Device volume to a higher level
The audio quality is poor after connection with a Bluetooth enabled device

 

The Bluetooth reception is poor

Move the Device closer to the audio system or remove any obstacle between the Device

Dual DBTMA100 Bookshelf Micro Amplifier Warranty

Dual DBTMA100 Bookshelf Micro Amplifier comes with a one-year limited warranty, covering any defects in materials or workmanship. Be sure to register your product and keep your proof of purchase to take advantage of the warranty if needed. Dual Electronics Corp. agrees, at our option, during the warranty period, to repair any defect in material or workmanship or to furnish an equal new, renewed or comparable product (whichever is deemed necessary) in exchange without charges, subject to verification of the defect or malfunction and proof  of the date of purchase. Subsequent replacement products are warranted for the balance of the original warranty period.

Pros & Cons

Pros

  • Powerful and clear audio
  • Multiple input options
  • Remote control and headphone output
  • Compact and sleek design
  • Affordable price range

Cons

  • Not compatible with wireless streaming devices
  • May require additional speaker cables
  • Limited customization options
  • May not provide enough power for larger speakers

Customer Reviews about Dual DBTMA100 Bookshelf Micro Amplifier

The Dual DBTMA100 Bookshelf Micro Amplifier has received rave reviews from customers, with many praising its powerful audio, multiple input options, and compact design. However, some customers have noted that it may not provide enough power for larger speakers and that the lack of wireless compatibility is a drawback.

PDF

Faqs

What is the power output of the Dual DBTMA100 Bookshelf Micro Amplifier?

Dual DBTMA100 Bookshelf Micro Amplifier provides a power output of 100 watts, making it suitable for driving most bookshelf and compact speakers with clear and powerful audio.

Can I connect my smartphone to the Dual DBTMA100?

Obviously, you can connect your smartphone to the Dual DBTMA100 Bookshelf Micro Amplifier via Bluetooth. Simply enable Bluetooth on your smartphone, search for available devices, and select "DBTMA100" to pair and start streaming audio wirelessly.

What type of speakers are compatible with the Dual DBTMA100 Bookshelf Micro Amplifier?

Dual DBTMA100 Bookshelf Micro Amplifier is compatible with most bookshelf and compact speakers. It features standard speaker terminals, allowing for easy connection to a wide range of speaker types for versatile audio setups.

What inputs are available on the Dual DBTMA100 Bookshelf Micro Amplifier?

Dual DBTMA100 Bookshelf Micro Amplifier has multiple input options, including RCA, 3.5mm AUX, and Bluetooth. This variety of inputs allows you to connect various audio sources, such as CD players, MP3 players, and mobile devices.

What is the frequency response of the Dual DBTMA100 Bookshelf Micro Amplifier?

The frequency response of the Dual DBTMA100 Bookshelf Micro Amplifier is 20 Hz to 20 kHz, ensuring a wide range of sound reproduction from deep bass to clear treble for an enhanced listening experience.

Is the Dual DBTMA100 Bookshelf Micro Amplifier compatible with vinyl turntables?

Exactly, Dual DBTMA100 Bookshelf Micro Amplifier can be used with vinyl turntables, provided the turntable has a built-in preamp or you use an external phono preamp. Connect the turntable to the RCA input on the amplifier for a rich vinyl listening experience.

How do I pair my device with the Dual DBTMA100 Bookshelf Micro Amplifier via Bluetooth?

To pair your device with Dual DBTMA100 Bookshelf Micro Amplifier via Bluetooth, turn on Bluetooth on your device, ensure the amplifier is in Bluetooth mode, and select "DBTMA100" from the list of available devices. Follow any additional prompts to complete the pairing process.

What type of power supply does the Dual DBTMA100 Bookshelf Micro Amplifier use?

Dual DBTMA100 Bookshelf Micro Amplifier uses a DC power supply, which is included with the amplifier. Ensure the power supply is connected to a suitable power source to operate the amplifier.

What is the size of the Dual DBTMA100 Bookshelf Micro Amplifier?

The dimensions of the Bookshelf Micro Amplifier are approximately 5.8 x 4.2 x 2.7 inches. Its compact size makes it easy to fit into various spaces, whether on a shelf, desk, or entertainment center.

What is the warranty period for the Dual DBTMA100 Bookshelf Micro Amplifier?

Dual DBTMA100 Bookshelf Micro Amplifier comes with a one-year limited warranty, covering any defects in materials or workmanship. Be sure to register your product and keep your proof of purchase to take advantage of the warranty if needed.

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