Dual DBTMA100 Bookshelf Micro AMP User Guide

: June 16, 2024
: Dual

Table of Contents

Introduction
Safety Information
Information
Getting Started
Wireless Operation
Streaming Music
Wiring
Placement
Specifications
Trouble Shooting
Warranty
Documents / Resources

DBTMA100
QUICK START GUIDE
BOOKSHELF MICRO AMP

Introduction

What’s in the box

DBTMA100
– 1pc|
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AC/DC Wall Power Adapter
– 1pc|
User Manual
– 1pc|

Congratulations
On your DBTMA100 wireless streaming micro amplifier purchase. This is compatible with most in-wall, on-wall, in-ceiling, and bookshelf speakers.
Please take your time to explore all of the features and utilities we have built into this product.
We put all of our products through rigorous testing and quality control. We take great pride in presenting this product to you. For your peace of mind, we offer a one-year limited warranty against manufacturing defects and workmanship. Please refer to the warranty section of this user manual for more details.

SUPPORT
For the latest information on all of our products, please visit: www.dualav.com

Call us toll-free at 1-866-382-5476
E-mail us at cs@dualav.com

All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of
DUAL ELECTRONICS CORP.
All trademarks and trade names are property of their respective owners.
Copyright © 2019 DUAL ELECTRONICS CORP.

Safety Information

IMPORTANT SAFETY INFORMATION TO THE USER

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 userserviceable 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

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

Information

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

INFORMATION TO THE USER

FCC COMPLAIANCE STATE
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

this device may not cause interference, and
this device must accept any interference, including interference that may cause undesired operation of this device.

This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. The Bluetooth antenna cannot be removed (or replaced) by user. This equipment complies with FCC/ IC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines and RSS-102 of the IC radio frequency (RF) Exposure rules.
This equipment has very low levels of RF energy that it deemed to comply without maximum permissive exposure evaluation (MPE). But it is desirable that it should be installed and operated keeping the radiator at least 20 cm or more away from person’s body (excluding extremities: hands, wrists, feet and ankles). Alteration or modifications carried out without appropriate authorization may invalidate the user’s right to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Relocate or reorient the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

CAUTION!
ADJUSTMENT OR ALTERATIONS OF THIS DEVICE MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

Getting Started

KNOW YOUR DBTMA100

UNIT ON/OFF VOLUME LEVEL TOP LED ON/OFF
3.5mm AUX INPUT
BLUETOOTH STATUS LED
BLUETOOTH PAIR BUTTON
BASS LEVEL
TREBLE LEVEL

Wireless Operation

(4) BLUETOOTH PAIRING

Turn ON the unit – LONG PReSS (1) 3 seconds
LOnG PReSS 4 3 seconds
Turn on your Devices BLUeTOOTh in your SeTTInGS 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

NOTE: Use you Devices touch screen to control media

1	VOL UP/DOWN
4	PLAY/PAUSE
5	BASS LEVEL -6dB
6	TREBLE LEVEL -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.

Wiring

INSTALLATION

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

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.

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

Hard Wiring

Do DOT wire LEFTT & 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 connected 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).

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: 5o F to 160o F / -15o C to 72o C
Operation Temperature: 14o F to 125o F / -10o C to 52o C
Weight: 1.15lbs / 2.4Kg
Dimensions Inches WxDxH: 5.75 x 4.25 x 1.50
Color: Black

Trouble Shooting

TROUBLE	CAUSE	SOLUTION
Unit will not turn on	AC Power is OFF	Turn wall switch ON / check breakers
AC/DC wall adapter is unplugged	Plug AC/DC adaptor into wall
No sound is heard	Volume level is low or muted	Turn the DBTMA100 volume

level up
Device is paused or muted| Check your Devices playing / volume status
The audio quality is poor| Device volume level is too low or muted| Raise 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

Warranty

Important
The DBTMA100 amplifier is designed to be used with multi-purpose speakers and will deliver accurate high fidelity sound in exterior or interior environments. The rugged design and construction will provide optimum durability.
This product is not meant for in-water or underwater use.
Do not attempt to remove the bottom plate from this product. There are no user-serviceable parts, removal could damage the amplifier and void the warranty.

Warranty Coverage
You must have proof of purchase to receive warranty service. Please keep your original sales receipt and be prepared to provide this receipt in the event you require service, as your original receipt is considered the best proof of purchase and indicates the date you purchased your Dual product.

For Your Records
Model_.
Dealer Name.
Dealer Phone.
Purchase Date___.

Note: You may want to keep your original sales receipt or a photo copy with this owner’s manual.

SUPPORT

Call us toll-free at 1-866-382-5476
E-mail us at cs@dualav.com

Limited One-Year Warranty
This warranty gives you specific legal rights. You may also have other rights which vary from state to state.
Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purchase.
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.
Who is covered? This warranty is extended to the original retail purchaser for products purchased from an authorized Dual dealer and used in the U.S.A.
What is covered? This warranty covers all defects in material and workmanship in this product. The following are not covered: software, installation/removal costs, damage resulting from accident, misuse, abuse, neglect, product modification, improper installation, incorrect line voltage, unauthorized repair or failure to follow instructions supplied with the product, or damage occurring during return shipment of the product.
Specific license conditions and copyright notices for the software can be found via www.dualav.com.

What to do?

Before you call for service, check the troubleshooting guide in your owner’s manual. A slight adjustment of any custom controls may save you a service call.
If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center.
Please describe your problem in writing and include your name, a return UPS shipping address (P.O. Box not acceptable), and a daytime phone number with your shipment.
For more information and for the location of the nearest authorized service center please contact us by one of the following methods:
• Call us toll-free at 1-866-382-5476
• E-mail us at cs@dualav.com

Exclusion of Certain Damages: This warranty is exclusive and in lieu of any and all other warranties, expressed or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose and any obligation, liability, right, claim or remedy in contract or tort, whether or not arising from the company’s negligence, actual or imputed. No person or representative is authorized to assume for the company any other liability in connection with the sale of this product. In no event shall the company be liable for indirect, incidental or consequential damages.

www.dualav.com
©2019 Dual Electronics Corp. All rights reserved.
NSA319-V01
Printed in China