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 FSB216 Formula Component Speaker System (Black, Pair) – 6.5 Inch Component Speaker System, 70 Watt, Car Audio, External Crossover, 4 OHMS

MB Quart FSB216 Formula Component Speaker System (Black, Pair) – 6.5 Inch Component Speaker System, 70 Watt, Car Audio, External Crossover, 4 OHMS

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 dynamic drivers

🎚️External crossover for precise tuning

Rp4063885

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Description

🎶 Elevate your ride with sound that commands attention!

UPGRADE YOUR DRIVE - Transform your daily commute into a concert with powerful 6.5-inch component speakers engineered for true audio enthusiasts.
DURABILITY MEETS DESIGN - High-energy magnets and protective grills built to withstand the road while maintaining premium sound quality.
EFFORTLESS INSTALLATION - External crossover and spade terminals ensure a quick, secure setup in any factory or custom car system.
AUDIOPHILE GRADE COMPONENTS - Polypropylene cones and titanium dome tweeters deliver rich mids and detailed highs for immersive listening.
CRYSTAL CLEAR AUDIO PRECISION - Experience balanced, distortion-free sound with 40W RMS power and punchy midrange clarity.

The MB Quart FSB216 is a pair of 6.5-inch 2-way component car speakers delivering 150W peak power and 40W RMS at 4 ohms. Featuring polypropylene cones, titanium dome tweeters, and an external crossover, these speakers provide clear, distortion-free audio with rich mids and controlled bass. Designed for easy installation and long-lasting durability, they are ideal for upgrading factory or custom car audio systems.

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	#64,741 in Electronics ( See Top 100 in Electronics ) #658 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 (349)
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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Rp4063885

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered 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 Indonesia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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