Would nakamichi with 50 watts per speaker also under power them?

50 watts per speaker would be fine

Is the 70 RMS watt rating per speaker or for the pair?

Each. 50 watts on a pioneer touch is under powering them.

What is the mounting depth?

If I remember correctly, was about 2 1/4" from the back side of the mounting bracket.

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MB Quart Formula Component Speaker System, 6.5 Inch, Pair

Product ID: 65886675

Details

Audio Output Mode
Stereo
Brand
MB Quart
Connectivity Technology
Coaxial
Frequency Response
20 KHz
Speaker Maximum Output Power
70 watts

⚡150W peak power output

🔊6.5-inch precision drivers

🎚️External crossover for crisp clarity

COP 561192

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Description

🎶 Elevate your drive with sound that speaks volumes!

BUILT TO LAST - High-energy magnets and protective grills deliver durability that keeps your sound flawless mile after mile.
BASS BOOST READY - Enhanced low-end response for that rich, controlled bass that turns your car into a personal concert hall.
IMMERSIVE SOUNDSTAGE - Experience crystal-clear highs and punchy mids with titanium dome tweeters and polypropylene cones.
POWER MEETS PRECISION - 150 watts peak power ensures distortion-free, dynamic audio that commands attention on every drive.
TAILORED INSTALLATION - External crossover and spade terminals make setup seamless in any custom or factory car audio system.

The MB Quart FSB216 is a premium 6.5-inch 2-way component speaker system delivering 150 watts peak power and 40 watts RMS at 4 ohms. Featuring a polypropylene cone and titanium dome tweeter, it offers detailed highs, rich mids, and tight bass. Designed for durability with high-energy magnets and protective grills, it includes an external crossover for easy, precise installation in factory or custom car audio setups.

Specifications

ASIN	B07D5JYGDP
Additional Features	Bass Boost, Hi Res Audio
Antenna Location	For Surround Sound Systems
Audio Driver Size	6 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#83,868 in Electronics ( See Top 100 in Electronics ) #855 in Car Coaxial Speakers
Brand	MB Quart
Built-In Media	product, manual
Color	Black
Compatible Devices	MP3 Player, Smartphone, Tablet
Compatible with Vehicle Type	& SUVs, Select Cars, Truck
Connectivity Protocol	Coaxial
Connectivity Technology	Coaxial
Control Method	Voice
Controller Type	Voice control
Customer Reviews	4.3 4.3 out of 5 stars (350)
Enclosure Material	Plastic
Frequency Response	20 KHz
Global Trade Identification Number	00806576228400
Impedance	4 ohm
Is Waterproof	False
Item Dimensions D x W x H	16.7"D x 7.9"W x 4.2"H
Item Type Name	car speakers
Item Weight	2.3 kg
Manufacturer	MAXXSONICS
Model Name	FSB216
Model Number	FSB216
Mounting Type	Speaker
Number of Audio Channels	1
Number of Items	1
Power Source	Corded Electric
Series Number	216
Speaker Maximum Output Power	70 watts
Speaker Size	6.5 inches
Speaker Type	Component
Specific Uses For Product	PA
Subwoofer Diameter	6.5 inches
UPC	806576228400
Unit Count	2 Count
Warranty Description	1 year
Warranty Type	Limited
Wireless Technology	No Wireless Communication Technology
Woofer Diameter	6.5 inches

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TrustScore 4.5 | 7,300+ reviews

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COP 561192

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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