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Boston Acoustics 746

4" x 6" 2-way Plate Speakers

Discontinued
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This item has been discontinued

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  • Matched pair of 4" x 6" Two-Way Plate Speakers
  • Power Handling:
    • RMS: 160 watts per pair / 80 watts each
  • Moisture resistant 4" Copolymer cone
  • 3/4" Ferrofluid-cooled tweeter
  • Recommended amplifier power: 12 - 80 watts
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Pair

Speaker Specifications

Series
This is the manufacturer product line of speakers.
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
4" x 6"
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
2-way Plate
Tweeter Size
Refers to the size of the tweeter. Typically, smaller tweeters produces less output with higher frequency response.
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Copolymer
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
80 watts
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).
85 - 20000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

Yes
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
1-3/4"
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches, required to contain the speaker.
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
5-7/8" x 4" 
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
No

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
50%
4 Star
33%
3 Star
0%
2 Star
17%
1 Star
0%

Average Attribution Rating

Durability
4.3
Value
4.5
Features
4.5
Design
5.0
Usability
4.7

Rnix

St. louis Mo.

Overall
Durability
Value
Features
Design
Usability

Great Speakers

September 25, 2012

Great set of speakers, good power handling and natural sound.

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TrailHaunter

Wallingford, CT

Overall
Durability
Value
Features
Design
Usability

Displeased

July 30, 2012

I was real excited when I first purchased these and installed them in my '94 Jeep Wrangler. I have had a BA home theater surround sound set up since 1993 and I've always been more than pleased with their products but in this case, I was beyond displeased when I tried to turn my stereo up past 10. The highs and mids are fantastic but if you try to turn it up loud enough to hear with the windows open or the top down, it distorts like crazy. If you plan on hooking these up to a sub-woofer then you will be ok but as stand alone speakers, they are not worth the money.

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jc

Tucson, AZ

Overall
Durability
Value
Features
Design
Usability

Fine speakers

February 19, 2012

Speakers are great, but I wish they came with grills.

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Matt

Durham, PA

Overall
Durability
Value
Features
Design
Usability

An excellent replacement for OEM speakers in an 82 Vette

December 8, 2010

Speaker is a great value for it's sound reproduction. Fair bass response but can distort at higher volumes when loudness feature is engaged. Crisp highs and good mids. I replace the older 746's with these same speakers as fit and finish is perfect for application in an 82 Vette. Old BA 746's dry rotted and foam supports around cone disintegrated over time. This was probably associated with over exposure to sun light.

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Will

Simpsonville,SC

Overall
Durability
Value
Features
Design
Usability

Boston Acoustics 746

June 16, 2010

These speakers are crisp and clean, but I am a little disappointed in loudness. I will amp them soon so we'll see if that helps. Overall way better than the pioneer 4x6's i put in a few months back. don't quite fit will have to mod slightly to accommodate.

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Will Smith

Tempe,Az

Overall
Durability
Value
Features
Design
Usability

Best Speakers for the 4x6 size

February 15, 2010

They sound louder then a lot of subs if you amp them. I have a 200 watt amp pushing these lil beasts and i turn my sub off all the time and just run these being that they can keep up with the lows on my music. I guarantee if you buy them you will not be disappointed and plus there boston and they are the best.

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Accessory Tools and Products

Accessories added

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $44.95

Belva 23 ft. of True Spec 12 Gauge Speaker Wire

100% Copper Clad Aluminum, high strand count with ultra-flexible PVC blended jacket for easy installation

Your Price $14.99

12-10 AWG Butt Connectors

These yellow butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers.

Your Price $6.99

12-10 AWG Yellow T-Tap Adapters

Allows for fast and easy splicing of wires by easily tapping into the cable.

Your Price $4.49

12-10 AWG Quick Disconnect Connectors

These yellow quick disconnect connectors make it easy to connect and disconnect speaker wire your to your new aftermarket speakers!

Your Price $6.99

NVX SDSK2 Speaker Kit

Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!

Your Price $14.99

Dynamat Xtreme Speaker Kit 10415

Enough sound dampening for 2 speakers!

Your Price $17.95

Stinger Roadkill Speaker Kit

Use this to eliminate rattle from your speakers!

Your Price $13.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $12.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $6.99

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $6.99

3 in 1 Wire Quick Splice T-Tap and Butt Connector Crimper + Wire Cutter

Used for cutting copper and aluminum wires up to 8 gauge.

Your Price $21.99

NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

Your Price $7.99

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Product Summary

Manufacturer

Model Number

746

Weight

3.50lbs

Internal SKU

ba746

Internal Product ID

2874

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: Boston Acoustics 746