RDL DB-J1
Microphone Input Assembly

OUR PART #  DB-J1


RDL's DB-J1 is a complete microphone input panel assembly. Connections to the female front-panel XLR jack are made on a rear barrier block. Four terminals are provided: CASE GROUND, SHIELD (XLR pin 1), + (XLR pin 2) and - (XLR pin 3). The installer may install a jumper between the SHIELD connection and CASE GROUND if desired. The back of the DB-J1 is finished with a metal enclosure clearly labeled for easy installation.

The DB-J1 fits directly into back boxes (sold separately) to fit cabinets or US or international walls. They may be mounted directly into cabinets or most standard US single gang electrical boxes.

RDL DB-J1 Microphone Input Assembly Features:

  • Wall mounted microphone input panel
  • XLR input connector with gold contacts
  • Barrier block wiring connections 
  • Ground-lift terminals on barrier block 

RDL DB-J1 Line Input Assembly Specifications:

  • Finish: Black
  • Input Connector: XLR female with gold contacts
  • Output Connector: Barrier block
  • Output Connections (4): CASE GROUND, SHIELD (XLR pin 1), + (XLR pin 2), - (XLR pin 3)
  • Power Requirement: Passive
  • Dimensions: 4.13" H x 1.7" W x 2.15" D (10.49 x 4.32 x 5.47 cm)
  • Mounting Box Req.: 1.80" W x 1.75" D (4.57 x 4.45 cm) 
RDL DC-4G  Desktop or Wall-Mounting Decora Remote Control or Panel Chassis (Gray)

RDL DC-4G Desktop or Wall-Mounting Decora Remote Control or Panel Chassis (Gray)

Radio Design Labs' DC-4G desktop chassis holds four Decora®-style products, including RDL remote controls and connector plates.  Installation is facilitated using the included mounting plate, which allows the chassis to mount to ...
Log In For Price
In Stock
RDL WB-1U Single-Gang Universal Wall Box

RDL WB-1U Single-Gang Universal Wall Box

Can be mounted in International or US walls and cabinets. Features side and rear mounting holes which secure the box in new construction. Also has folding tabs which secure the box in an existing wall or cabinet.Dimensions: Height: 4.125 ...
Log In For Price
In Stock
RDL DC-4W  Desktop or Wall Mounted Chassis for Decora Remote Controls and Panels, White

RDL DC-4W Desktop or Wall Mounted Chassis for Decora Remote Controls and Panels, White

The Radio Design Labs DC-4W desktop chassis holds one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Installation is facilitated using the included mounting plate, which allows the chassis ...
Log In For Price
Usually ships in 6-10 business days.
RDL RM-D9 3RU Rack Panel Mount for 9 Decora Models

RDL RM-D9 3RU Rack Panel Mount for 9 Decora Models

Radio Design Labs' RM-D9 is a 3 RU rack panel that allows the mounting of 9 Decora products, such as RDL remote controls and D-Series connector plates. The installer can label each installed module behind an included protection lens.The ...
Log In For Price
Usually ships in 3 business days.
RDL DC-2G  Wall Mount Chasis for Decora

RDL DC-2G Wall Mount Chasis for Decora

The DC-2G desktop chassis holds two Decora®-style products, including RDL remote controls and connector plates. Installation is facilitated using the included mounting plate, which allows the chassis to mount to a tabletop or on a ...
Log In For Price
Usually ships in 6-10 business days.
RDL DC-2W Desk Top Chassis for Decora, White

RDL DC-2W Desk Top Chassis for Decora, White

The DC-2W white desktop chassis holds two Decora®-style products, including RDL remote controls and connector plates. Installation is facilitated using the included mounting plate, which allows the chassis to mount to a tabletop or on a ...
Log In For Price
Usually ships in 6-10 business days.
RDL RM-D3 1RU Rack Panel Mount for 3 Decora Models

RDL RM-D3 1RU Rack Panel Mount for 3 Decora Models

Radio Design Labs' RM-D3 is a 1 RU rack panel that allows the mounting of 3 Decora products, such as RDL® remote controls and D-Series connector plates. The installer can label each installed module behind an included protection lens. The ...
Log In For Price
Usually ships in 4 business days.
RDL DC-1G  Wall Mount Chasis for Decora

RDL DC-1G Wall Mount Chasis for Decora

The DC-1G desktop chassis holds one Decora®-style product, including RDL remote controls and connector plates. Installation is facilitated using the included mounting plate, which allows the chassis to mount to a tabletop or on a vertical ...
Log In For Price
Usually ships in 3 business days.
RDL WB-2U Dual-Gang Universal Wall Box

RDL WB-2U Dual-Gang Universal Wall Box

Can be mounted in International or US walls and cabinets. Features side and rear mounting holes which secure the box in new construction. Also has folding tabs which secure the box in an existing wall or cabinet.Dimensions: Height: 4.125 ...
Log In For Price
Usually ships in 4 business days.
RDL CP2-G CP-2/G

RDL CP2-G CP-2/G

For use with RDL R style remote controls and D style connector plates; Mount with RDL WB-2U Universal Wall Box. 
Log In For Price
Usually ships in 3 business days.
RDL CP1-S CP-1S

RDL CP1-S CP-1S

The Radio Design Labs CP-1S is a single gang decora cover plate in stainless steel.Dimensions: 4.55" H x 2.8" W (11.6 x 7.1 cm)Package Dimensions: 2" x 3"Shipping Weight: 0.072 lbs
Log In For Price
Usually ships in 6-10 business days.
RDL CP1-W Wall Plate, Single Cover Plate, White

RDL CP1-W Wall Plate, Single Cover Plate, White

For use with RDL R style remote controls and D style connector plates; Mount with RDL WB-1U Universal Wall Box.
Log In For Price
Usually ships in 4 business days.
RDL CP1-G CP-1/G

RDL CP1-G CP-1/G

Radio Design Labs' CP-1G is for use with RDL SMB-1, DC-1 and WB-1U for mounting RDL remote controls and jack panels.  Compatible with Decora style products and American electrical boxes.Height: 4.55" (11.6 cm)Width: 2.80" (7.1 cm)
Log In For Price
Usually ships in 4 business days.
Add to Cart

We're sorry, only of this item available



Call a Sales Pro at for more information

Serving Contractors, Dealers, and Installers Since 1977

Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM