Included in this kit

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This bundle includes 1x JL Audio SB-GM-3GSLVCNSL/10TW1: Stealthbox® for 2014-2018 Chevrolet Silverado / GMC Sierra with Front Bucket Seats and Factory Console, 1x JL Audio HD-RLC:Amplifier Remote Level Control and Cable, and 1x JL Audio XDM300/1 XDM Series Monoblock Class-D Car/Marine Subwoofer Amplifier, 300 W.

1x JL Audio SB-GM-3GSLVCNSL/10TW1: Stealthbox® for 2014-2018 Chevrolet Silverado / GMC Sierra with Front Bucket Seats and Factory Console - (SB-GM-3GSLVCNSL/10TW1)

SB-GM-3GSLVCNSL/10TW1

GM’s third generation Silverado/Sierra gets a full redesign with a variety of enhancements including engine and technology upgrades. Regrettably, the factory audio systems still come up short when it comes to bass reproduction.

Designed to invisibly install in the factory console, this Stealthbox® adds impressive, high-quality bass, with zero loss of passenger space, storage space, or utility. The only thing you lose is that weak factory bass performance.

Featuring 100% fiberglass construction, this Stealthbox® is equipped with a down-firing 10-inch TW1 thin-line subwoofer in a sealed enclosure design.

The Hard Data: Contains one 10TW1-2 in a sealed enclosure. 300 watt power handling. Wired for 2 ohm mono. Stealthbox® installs inside forward-most portion of front center console, without affecting storage space or cup holders. Replaces the OEM “subwoofer” system, if vehicle is so equipped.

1x JL Audio HD-RLC:Amplifier Remote Level Control and Cable - (HD-RLC)

JL Audio HD-RLC: Amplifier Remote Level Control and Cable

Remote Level Control for Select JL Audio Amplifiers

The HD-RLC remotely controls the Bass Level of the following JL Audio amplifiers:

HD-Series: All models

XD-Series: All models

MHD-Series: All models

M-Series: All models

When the HD-RLC is connected to the above amplifiers, it acts as an attenuator on the input gain of the amplifier and is used to adjust the overall level of the amplifier from the front of the vehicle.

The HD-RLC kit includes the rotary control with a black ABS knob, mounting hardware and one 18 ft. (5.5 m) cable.

A satin-finish aluminum knob can be purchased separately.

1x JL Audio XDM300/1 XDM Series Monoblock Class-D Car/Marine Subwoofer Amplifier, 300 W - (XDM300/1)

This little monoblock powerhouse employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output for its size. It is small enough to fit in most tight space applications, including small boats, pickups, motorcycles and UTV’s (in a weather-tight compartment).

Designed for car or boat installations, the XDM300/1 is built with marine-grade materials and features an exclusive, dual-mode input filter for noise-free performance in boats or cars. Automatic turn-on capability (via signal sensing or DC-offset sensing) is also onboard for easy factory system upgrades.

Targeted specifically for subwoofer applications, the XDM300/1 includes a variable slope low-pass filter with continuously variable cutoff frequency selection from 50-500 Hz. With the addition of an optional HD-RLC or MHD-RLC (water-resistant) remote level controller (each sold separately), the amplifier's level can be adjusted directly from the driver's seat or captain’s chair.

Finished in a sleek, black powder-coat, all controls are protected beneath a gasketed, removable top cover for easy access.

Specificiations:
Rated Continuous (RMS) Power @ 14.4 V
@ 4 Ω: 200 W RMS x 1
@ 3 Ω: 250 W RMS x 1
@ 2 Ω: 300 W RMS x 1
@ 1.5 Ω: N/A

Rated Continuous (RMS) Power @ 12.5 V
@ 4 Ω: 160 W RMS x 1
@ 3 Ω: 210 W RMS x 1
@ 2 Ω: 270 W RMS x 1
@ 1.5 Ω: N/A

General Specifications
Frequency Response: 10 Hz - 1 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power: >100 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W: >80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω: >120 / 50 Hz
Damping Factor @ 2 Ω: >60 / 50 Hz
THD+N @ Rated Power: <1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs: 200 mV - 4 V RMS
Min.Copper Power / Ground Wire Gauge: 8 AWG wire
Fuse Rating: 30 A (AFS, AGU or MaxiFuse)

Signal Processing
Filter Mode(s): Low-Pass only
Filter Slope(s): 12/24 dB/octave
Filter Frequency Range: 50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometer: Yes
Filter Defeat Function: Yes
Infrasonic Filter: none
Bass Boost EQ: No
Output Polarity Switch: No
Remote Subwoofer Level Control: Optional HD-RLC or MHD-RLC (water-resistant)
Remote Bass EQ Boost Control: No
Pass-Through Preamp Output: Buffered