Would this be able to convert balanced inputs from a BMW to regular inputs for a normal amp and have good sound for all speakers?

No, you're better off getting an amp or processor that takes balanced line in. This is for amplified speaker output to unbalanced RCA.

I have a pioneer 4 chanel 1000w amp. Can i use this to convert just the B channel to low output and keep the A channel high?

You should be able to do that with the output adjustments on your amp. The instructions that came with your amp, or the website for the amp should illustrate where those adjustments are located.

Would this work if i was doing 2000 rms on bass and 500 on highs and mids?

I use this on a 400watt rockforfosgate amp for my highs and mids. I wouldnt recomend it for the sub amp. It seemed to filter out some of the lower end bass that you would want on subs. I still use to this day, it has worked for years.

Will this work connecting an aftermarket radio to an oem Bose car stereo amp?

No, this unit takes high level output from radio to line level input on amp. Most Bose units are high level from radio to amp. PAC makes units for most cars with Bose. Gm, Nissan, and Mazda. Search for PAC Bose and you'll find them.

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NVX XFLOC4

Product ID: 20590711

Details

Brand
NVX
Interface Type
RCA
Maximum Supply Voltage
12 Volts (DC)
Mounting Type
Freestanding
Number of Pins
16

🔇Integrated digital noise filter

🔊4-channel, 160W max power

🎚️Adjustable 3:1 step-down output

¥8248

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your ride’s audio game—because your car deserves concert-quality sound!

CRYSTAL CLEAR SOUND - Built-in digital noise filter eliminates interference, delivering pure, distortion-free audio.
ROBUST POWER HANDLING - Supports up to 40W per channel, ensuring powerful, balanced sound across all four channels.
PRECISION AUDIO CONTROL - Fine-tune your sound with adjustable output levels up to 160W for a custom car audio experience.
VERSATILE COMPATIBILITY - Converts speaker-level signals to RCA line-level, perfect for any amplifier or receiver setup.
SEAMLESS AMPLIFIER INTEGRATION - Remote turn-on trigger simplifies powering your aftermarket amps with DC signals.

The NVX XFLOC4 is a premium 4-channel line output converter designed to convert speaker-level signals into RCA line-level outputs, supporting up to 160W total input power. Featuring an adjustable 3:1 step-down output and an integrated digital noise filter, it ensures clear, distortion-free sound. With a built-in DC amplifier turn-on trigger, it offers seamless integration with aftermarket amplifiers, making it an essential upgrade for any car audio enthusiast.

Specifications

ASIN	B00H2XR1LE
Best Sellers Rank	#245,856 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,045 in Power Converters
Brand Name	NVX
Compatible Devices	Devices with RCA inputs (e.g., amplifiers, receivers, stereos)
Customer Reviews	4.4 4.4 out of 5 stars (342)
Global Trade Identification Number	00818060010644
Interface	RCA
Manufacturer	NVX
Maximum Supply Voltage	12 Volts (DC)
Model	XFLOC4
Mounting Type	Freestanding
Number of Channels	4
Number of Pins	16
Part Number	XFLOC4
Smart Home Compatibility	Not Smart Home Compatible
UPC	818060010644

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¥8248

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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