Is this the new version which includes the updated circuitry to eliminate turn-on pop?

Yes sir. Not had a problem with mine. I got it installed behind the factory radio for my jeep sounds nice.

Does this come with the installation kit?

It has wire harness, you will need RCA’s and recommend a inline fuse.

Do you have to have a deck or can it run off the phone bluetooth

It gets its signal from rca cables. No Bluetooth

What is the frequency range for the high-pass crossover? i'm trying to figure out if i should use the high pass filter on a set of alpine s-s65c's

89 - 500 Hz. On the woofers and 2400 Hz on the tweeters

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🎶 Elevate Your Sound Game!

LIGHTWEIGHT WONDER - Weighs only 454g for easy installation.
MULTI CHANNEL MAGIC - Four channels for a surround sound experience.
SPACE SAVING DESIGN - Compact dimensions fit seamlessly into any setup.
POWERFUL PERFORMANCE - Unleash 320 Watts of audio brilliance.
RELIABLE POWER SOURCE - Corded electric for consistent performance.

The MB Quart NA2-320.4 is a compact four-channel amplifier designed for audiophiles who crave powerful sound without sacrificing space. Weighing just 454 grams and measuring 5.08 x 10.16 x 15.24 cm, this amplifier delivers a robust 320 Watts of output, ensuring an immersive audio experience. Perfect for any setup, it combines performance and convenience, making it a must-have for modern sound enthusiasts.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Item dimensions L x W x H	5.1 x 10.2 x 15.2 Centimeters
Voltage	9 Volts
Mounting Type	Surface Mount
Brand	MB Quart
Number of Channels	4
Global Trade Identification Number	00806576227335
UPC	806576227335
Country of Origin	USA
Model number	NA23204
Item Weight	454 g
Product Dimensions	5.08 x 10.16 x 15.24 cm; 453.59 g
Item model number	NA23204
Item Height	6 Inches
Item Width	4 Inches
Wattage	320 Watts
Power Source	corded electric
Are batteries included?	No
Maximum Speaker Output Power	320 Watts

MB Quart NA2-320.4 compact Four Channel

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