RBG15S: How To Set Up & Use

Introduction

The Rockville RBG15S is a 15-inch powered subwoofer designed to deliver deep, powerful bass for live performances, DJ events, band rehearsals, and more. This guide will walk you through setup, controls, and various speaker configurations, from a single speaker setup to a dual-subwoofer system.

What's Included

• RBG15S Subwoofer
• Power Cable
• Built-in 35mm Pole Socket (for mounting speakers)
• Side Handles (for easy transport)

Step 1: Understanding the Controls

Level Knob

• Adjusts the volume level of the subwoofer.

Digital Signal Processor (DSP)

1. DX Sub Switch:
   • Up Position: Boosts bass by +3dB.
   • Middle Position: Balanced bass output.
   • Down Position: Extends low-frequency range.
2. Low Pass Filter (80Hz, 100Hz, 120Hz):
   • Determines which frequencies are played by the subwoofer.
   • Example: Setting to 80Hz means the sub reproduces frequencies below 80Hz.

Polarity Switch

• Reverses polarity to sync bass with speakers based on placement.

LED Indicators

• Power Light: Indicates the subwoofer is on.
• Signal Light: Lights up when an audio signal is detected.
• Clip Light: Warns when the signal is too loud or distorted.
• Limit Light: Engages when the built-in limiter prevents peaking.

Input & Output Options

• (2) XLR/1/4” Combo Inputs: For connecting mixers, DJ controllers, or speakers.
• (2) XLR Outputs: For connecting additional speakers or subwoofers.
• RCA Line Input: For connecting devices with RCA output.

Step 2: Setting Up a Single Speaker + Subwoofer System

1. Mount the Speaker on the Subwoofer (Optional)
   • Use a 35mm speaker pole to elevate a powered speaker.
2. Connect the Powered Speaker to the Subwoofer
   • Use an XLR cable:
     • Female end → Speaker output
     • Male end → Left XLR input on the subwoofer
3. Turn on the Equipment in This Order:

1. Speaker
2. Subwoofer
3. Adjust Volume & DSP Settings
4. Raise the Level Knob on the subwoofer.
5. Set the Low Pass Filter to your preference.

2. Test the Setup
   1. Play music through a Bluetooth-connected device to your speaker.
   2. Adjust subwoofer and speaker volume for a balanced sound.

Step 3: Connecting Two Speakers & a Passive Mixer

For a larger setup, connect two powered speakers with a passive mixer.

Connections

1. Mixer → Subwoofer
   • Use (2) XLR cables:
     • Female ends → Mixer’s Left & Right XLR Outputs
     • Male ends → XLR Inputs on the Subwoofer
2. Subwoofer → Speakers
   • Use (2) additional XLR cables:
     • Female ends → XLR Outputs on the Subwoofer
     • Male ends → XLR Inputs on each Speaker

Powering Up & Adjusting Settings

1. Turn on the Mixer → Subwoofer → Speakers (in order).
2. Adjust:
   • Subwoofer Level Knob
   • Speaker Volume
   • Mixer’s Left & Right Faders
   • Channel Level on the Mixer
3. Play Audio & Fine-Tune Settings.

Step 4: Adding a Second Subwoofer

For even deeper bass, add a second RBG15S subwoofer.

Connections

1. Mixer → Two Subwoofers
   • Use (2) XLR cables:
     • Female ends → Left & Right Outputs of the Mixer
     • Male ends → XLR Inputs on each Subwoofer
2. Subwoofers → Speakers
   • Right Subwoofer Output → Right Speaker
   • Left Subwoofer Output → Left Speaker

Powering Up & Adjusting Settings

1. Turn on the Mixer → Subwoofers → Speakers.
2. Adjust subwoofer levels and filters for a balanced mix.
3. Play audio and fine-tune settings.

Conclusion

The Rockville RBG15S Powered Subwoofer is easy to set up and enhances any sound system with powerful, deep bass. Whether you're using one sub with a single speaker or a full system with dual subs and a mixer, this guide ensures a smooth setup.