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RWM-DSP-H2: How To Set Up & Use

Ira - Zendesk Admin
Updated

Introduction
This article provides a detailed, step-by-step guide to setting up the Rockville RWM-DSPH2 wireless microphone system, as shown in the accompanying tutorial video. The instructions are designed to be clear and accessible, even for users with no technical experience. The RWM-DSPH2 includes a receiver, two handheld microphones, and accessories for versatile audio setups, such as connecting to a powered speaker, mixer, or computer for advanced control. The system supports rack mounting and offers customizable audio settings for professional use.

Requirements: 

  • Rockville RWM-DSPH2 wireless microphone system (includes receiver, two handheld microphones, two antennas, quarter-inch cable, USB cable, power cable, and rack-mount hardware)
  • Two AA batteries per microphone
  • Powered speaker or mixer (for audio output)
  • Windows computer (for optional DSP software setup)
  • Phillips head screwdriver (for rack mounting)
  • Optional: Two XLR cables (for separate channel mixer setup)

Step-by-Step Instructions

Setting Up the Receiver

  • Attach the Antennas
    • Locate the two antenna ports on the back of the receiver.
    • Align the grooves on each antenna with the grooves on the antenna ports.
    • Insert each antenna into a port and twist the base clockwise until it clicks, securing it to the receiver.
    • Raise the antennas to optimize signal strength between the microphones and receiver.
  • Connect the Power Supply
    • Plug one end of the power cable into the power input on the back of the receiver.
    • Connect the other end to a power outlet or power strip.
    • Power on the receiver by holding down the power button on the front panel.
  • Understand the Receiver Controls
    • Display: Shows frequency, volume, signal strength, and battery life for each microphone (Channel A and Channel B).
    • Volume Control: Use the up/down buttons for each channel to adjust volume.
    • Frequency Adjustment: Press the “Set” button, then use up/down buttons to manually change the frequency for each channel.
    • Scan/Sync: Press the “Scan” button to find a clean frequency or the “Sync” button to pair the microphone with the receiver’s frequency.
    • Effects:
      • Echo: Cycle through three presets or turn off using the Echo button.
      • Feedback Filter: Prevents screeching or humming.
      • EQ Presets: Cycle through presets or turn off using the EQ button.
      • Exciter: Adds mid-range; cycle through three presets using the Exciter button.
    • Outputs (Back):
      • Quarter-inch mix output for connecting to a single channel on a mixer or powered speaker.
      • Balanced XLR outputs (A and B) for separate channel control on a mixer.
      • USB port for connecting to a Windows computer for DSP software control.

Setting Up the Microphones

  • Install Batteries
    • Unscrew the bottom cap of a microphone to access the battery compartment.
    • Insert two AA batteries, ensuring correct polarity (face down as shown in the video).
    • Screw the cap back on securely.
    • Repeat for the second microphone.
  • Power On and Adjust Microphone Settings
    • Hold the power button at the bottom of the microphone until the display lights up, showing battery life and RF mode.
    • To adjust settings, unscrew the cap to access the control buttons.
    • Unlock the microphone by holding the “Enter” button until “Unlock” appears on the display.
    • Use the up/down buttons to adjust volume (recommended starting at low, around 4).
    • Press the “Enter” button to cycle through RF modes (Low, Medium, High).
      • Low or Medium is recommended to conserve battery life.
      • Higher RF modes improve connection but drain batteries faster.
  • Sync Microphones with Receiver
    • Check the frequency displayed on the receiver for Channel A or B.
    • If experiencing dropouts or interference, change the frequency:
      • Press the “Scan” button on the receiver to find a clean frequency.
      • Alternatively, press “Set” and use up/down buttons to manually select a frequency.
    • To sync the microphone:
      • Press the “Sync” button on the receiver’s channel (A or B); the light will flash briefly.
      • Unscrew the microphone cap and press the bottom button to enter sync mode.
      • Align the microphone with the receiver’s IR sensor while the light is flashing.
      • Verify the microphone’s frequency matches the receiver’s channel frequency.
    • Repeat for the second microphone on the other channel.

Connecting to a Powered Speaker

  • Use the Quarter-Inch Mix Output
    • Plug one end of the included quarter-inch cable into the mix output on the back of the receiver.
    • Connect the other end to an input channel on your powered speaker.
    • Power on the speaker and ensure its volume is turned up.
    • Verify microphones are powered on, synced, and set to appropriate RF and volume levels.
    • Test the microphone (e.g., “check one, two”) to confirm audio output through the speaker.

Connecting to a Mixer (Separate Channels)

  • Use Balanced XLR Outputs
    • Obtain two XLR cables (not included).
    • Plug the female end of one XLR cable into the “Balance A” output (for Mic 1) and the other into the “Balance B” output (for Mic 2).
    • Connect the male ends to separate channels on your mixer (e.g., Balance A to Channel 1, Balance B to Channel 2).
    • Adjust the gain and level knobs for each channel on the mixer.
    • Ensure the mixer’s main mix volume and the connected speaker’s volume are turned up.
    • Test each microphone to confirm audio output and adjust EQ, reverb, or other effects as needed.

Optional: Rack Mounting the Receiver

  • Single Unit Setup
    • Remove the rubber feet from the bottom of the receiver by pulling them out.
    • Locate the two screws on each side of the receiver and remove them using a Phillips head screwdriver.
    • Attach the short rack ear to one side and the long rack ear to the other, aligning the holes with the screw holes on the receiver.
    • Secure the rack ears with the screws using the screwdriver.
    • Align the receiver with a 1U space in your rack and secure it using the rack’s hardware.
  • Dual Unit Setup
    • Place two RWM-DSPH2 receivers side by side.
    • Align the included bridge bar with the four holes in the middle of both units (two in front, two in back).
    • Secure the bridge bar with four small screws using a Phillips head screwdriver.
    • Remove the side screws from the outer sides of both units.
    • Attach a short rack ear to the outer side of each unit, aligning the holes and securing with screws.
    • Mount the bridged units into a 1U rack space using the rack’s hardware.
  • Reattaching Rubber Feet (If Needed)
    • Insert a foot into one of the bottom holes on the receiver.
    • Push the knob through the center of the foot until it secures in place.
    • Repeat for all feet as needed.

Optional: Using DSP Software for Advanced Settings

  • Download and Connect
  • Connect the Receiver to a computer using the included USB cable (USB-B to receiver, USB-A to computer).
  • Access and Edit Settings
    • Open the DSP software; a window will appear with editable settings.
    • Features include:
      • Device Name: Rename the receiver.
      • Find Me: Press to make the receiver’s buttons flash for identification in a rack.
      • Upgrade: Download available firmware updates.
      • Console: Adjust settings for feedback filter, exciter, echo presets, and channel volume.
      • Example: Modify Exciter Preset 1, Echo Preset 2, or other settings as desired.
    • Use the QR code in the software to access the interface on a mobile device.
    • Save changes by clicking the “Save to Device” button.
    • Note: Preset adjustments are optional; default receiver settings are suitable for most users.

Troubleshooting & FAQs

  • Q: The microphones have dropouts or interference. How do I fix this?
    A: Use the “Scan” button on the receiver to find a clean frequency, then sync the microphone to match. Ensure antennas are raised and securely attached. Avoid using High RF mode unless necessary, as it drains batteries faster.
  • Q: No audio comes through the speaker or mixer. What’s wrong?
    A: Verify the receiver and microphones are powered on, synced, and set to appropriate volume levels. Check cable connections (quarter-inch or XLR) and ensure the speaker/mixer volume is turned up. Confirm the correct RF mode and frequency match.
  • Q: The receiver doesn’t connect to the computer. How can I resolve this?
    A: Ensure the USB cable is securely connected (USB-B to receiver, USB-A to computer). Confirm the DSP software is downloaded from the Rockville support site. Restart the software or computer if needed.
  • Q: The rack ears don’t fit properly. What should I do?
    A: Ensure the correct screws are used to attach the rack ears. Align the holes precisely and use a Phillips head screwdriver to secure them tightly. For dual units, verify the bridge bar is properly aligned with all four holes.
  • Q: The microphone controls are unresponsive. How do I fix this?
    A: The microphone may be locked. Unscrew the cap, hold the “Enter” button until “Unlock” appears, then adjust volume or RF settings using the up/down buttons.

 

Conclusion
The Rockville RWM-DSPH2 wireless microphone system is easy to set up for various applications, from simple powered speaker connections to advanced mixer setups with independent channel control. Features like adjustable frequencies, built-in effects, and DSP software offer flexibility for professional audio needs.

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