In Phase XTB-828R - 8" Subwoofer

Name: In Phase XTB-828R - 8" Subwoofer
Brand: In Phase
SKU: qcmh7hguxf
Availability: InStock

The In Phase XTB-828R is a passive radiator equipped active sealed subwoofer enclosure, designed t...

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In Phase Car Audio Xtb-828R Underseat Subwoofer

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My Motor WorldIn Phase Xtb-828R 8" 400W Active Subwoofer With Passive Radiator And Class D Amplifer

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CurrysIn Phase Xtb-828R Car Subwoofer - Black, Red,Black

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Product Information

Full details

The In Phase XTB-828R is designed for car audio enthusiasts seeking deep, accurate bass in a compact package. This subwoofer delivers powerful low frequencies thanks to its passive radiator design and built-in amplifier. However, users will need to supply their own RCA cables if connecting to an aftermarket head unit.

All features

Model Part Number	XTB-828R
Brand	In Phase

Extended Product Information

FAQs

What is a passive radiator?

A passive radiator is a type of speaker that enhances bass response without requiring a port. It uses trapped sound pressure to create resonance, resulting in improved sound quality.

What kind of head unit is compatible with this subwoofer?

The In Phase XTB-828R is compatible with both aftermarket and OEM head units, thanks to its high-level and RCA input options.

Where should I place the subwoofer in my car?

Place the subwoofer in a location that is convenient for wiring, allows for proper ventilation, and does not obstruct other vehicle components.

How do I adjust the bass boost?

The bass boost can be adjusted using the control on the subwoofer, allowing you to increase the level of bass output from 0dB to +12dB.

What is the function of the subsonic filter?

The subsonic filter filters out extremely low frequencies that could potentially damage the subwoofer.

What is the fuse rating?

The fuse rating is 25A.

What is the RMS power of the amplifier?

The RMS power of the amplifier is 200W.

Troubleshooting

No sound.

Check all wiring connections, including power, ground, and remote wires. Verify the fuse is intact and not blown. Ensure the head unit is providing a signal.

Distorted sound.

Reduce the gain setting. Check the crossover settings and adjust as needed. Verify speaker wiring for shorts.

Weak bass.

Increase the gain. Adjust the bass boost. Check the polarity of the speaker wiring.

Pros and Cons

Pros

Delivers deep and accurate bass.
Compact size makes it suitable for various vehicles.
Built-in amplifier simplifies installation.
Offers multiple input options for diverse compatibility.
Provides adjustable controls for sound customization.

Cons

Requires RCA cables for aftermarket head unit connections.
Installation may require some technical knowledge.
Limited to 8-inch driver size.

Setup, Compatibility & Care

Setup

Placement: Choose a suitable location in your vehicle, ensuring enough space for the enclosure and proper ventilation.
Wiring: Connect the power, ground, and remote wires according to the included wiring kit instructions. Ensure proper fuse installation.
Input Connections: Connect the appropriate input cables (high-level or RCA) to your head unit.
Configuration: Adjust the gain, crossover, and other settings to match your audio preferences and system.

Compatibility

The In Phase XTB-828R is compatible with most aftermarket and OEM head units, with both high-level and RCA input options. Ensure your head unit has the appropriate outputs.