Switched Microphone Preamplifier - 35 to 65 dB Gain

Microphone Products

Ultra-Compact Microphone Preamp for Push-To-Talk or “Cough Button” Applications

MicrophoneFeatures:• Switched Microphone Preamp• Ideal for Push-to-Talk or “Cough Button” Applications• Optimized for Dynamic or Condenser Mics
• Low-Noise Operation and Quiet Switching• Adjustable 35 to 65 dB Gain
• 24 V Phantom Power Capability• Versatility of STICK-ON® Compactness

Control Switch

Microphone Compressor

STM-2X

Increases Intelligibility of any Public Speaker

Switchable Low-Noise
Microphone Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products
MicrophoneFeatures:

Microphone Compressor• Ideal for Public Address Mics, Lectern Mics, Paging Mics, Portable
Mics and Pass-Around Mics
• Provides Consistent Mic Levels for Varying Speech Levels• Prevents Distortion by Reducing Excessively-Loud Mic Signals• Improves Low-Level Speech Intelligibility• Prevents Input-Clipping Distortion of Mixer / Mic Preamp Input• Compatible with Hard-Wired or Wireless Microphones• Installs Easily with 2 Screws or Optional RDL Mounting Accessories

Amplifier, Mixer or Other
Line-Level Equipment

Ultra-Compact, Low-Noise, High-Gain Microphone Preamp

EZ-MCP1Features:Part # STM-2X

High-Gain Microphone Preamplifier - 45 to 75 dB Gain

Microphone Products• Adjustable 45 to 75 dB Gain
• Optimized for Dynamic or Condenser Mics
• 2 Balanced/Unbalanced Outputs• 24 V Phantom Power Capability• Versatility of STICK-ON® Compactness

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Microphone
Extra Soft Normal
Loud
NormalPart # EZ-MCP1
Public Address System

STM-3

High Gain Professional
Microphone Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Amplifier, Mixer or Other
Line-Level Equipment

Studio-Quality Microphone Preamplifier with Phantom - 3 Line Outputs
Microphone Preamp with Audio Distribution

Microphone Products
MicrophoneFeatures:• Compact, Studio-Quality Microphone Preamp• Three Distributed Line-level Audio Outputs• Low-Noise and Low-Distortion Performance• 24 V Phantom Power Capability• Adjustable Gain up to 60 dB• Dual-LED VU Meter• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

STM-LDA3

Professional Low-Noise
Microphone Preamplifier(3 Line Outputs)#1 Mono, Line-Level
Balanced or Unbalanced Input

Part # STM-LDA3#3 Mono, Line-Level
Balanced or Unbalanced InputMicrophone Products
ST-MPA2Features:• Add Phantom-Powered Mics to Standard Inputs• Two Phantom Adapters in One Module• Phantom Conversion with Full Frequency Response• Adjustable 6 V to 52 V Phantom Voltage Using 52 V Power Supply• Adjustable 6 V to 24 V Phantom Voltage Using RDL 24 V PowerSupply• Highly-Filtered Phantom Power• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Part # ST-MPA2

Microphone Products

Provides Consistent Audio Output Levels for Varying Speech Levels

Microphone #1Features:• Optimized for Dynamic or Condenser Mics
• Controls Overloads That Cause Distortion and Clipping• Use as a Mic-Level Compressor or as a Mic Preamp with Compression• Microphone or Line-Level Outputs• Inputs and Outputs on XLR and Detachable Terminal Block• Switch-Selectable 48 V Phantom for Both Inputs• Switch-Selectable 15 dB Input Pads

Extra
Loud Soft Normal

Microphone #2

Extra
Loud Soft Normal

HR-MCP2
Dual MicrophoneCompressor

NormalNormalRecommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Part # HR-MCP2Amplifier, Mixer or Other
Line-Level Equipment#2 Mono, Line-Level
Balanced or Unbalanced Input

Microphone Phantom Adapter - 2 Channels
Phantom Power for 2 Microphones

Dual Microphone Compressor

Part # STM-3

Dual Mic Phantom Adapter

Power Supply
6-52 Vdc

Mixerw/ No Phantom

Gated Speech Preamplifier - Microphone to Line Level
Microphone Preamp that Activates when Speech is Detected

MicrophoneFeatures:• Minimizes Background Noise by Deactivating Microphone Input
when no Speech is Detected• Automatic Muting After 2 Seconds without Speech• Fast, Silent Audio Switching• Up to 48 V Phantom Power Capability• Adjustable 45 to 65 dB Gain
• Open-Collector Output for Controlling RDL Modules or OtherEquipment• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone 2

Processing

Part # ST-GSP1

ST-GSP1

Gated Speech Preamplifier

Amplifier, Mixer or Other
Line-Level Equipment

Microphone 1

Made in the USA

Made in the USA

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Made in the USA

Made in the USA

Microphone Preamplifier - Stereo Output with Compressors

Microphone Products

Single-Channel Microphone Preamp with Compressor

Part # EZ-MPA1

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Dual-Channel Microphone Preamp with Compressor

Part # HR-MP2

Part # EZ-MPA2

Dual Microphone / Line Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Microphone Products• Optimized for Dynamic or Condenser Mics
• Switch-Selectable off, 12 V or 24 V Phantom Power• Adjustable 19 dB to 65 dB Gain
• XLR and Terminal Block Connections• Ultra-Compact All Metal Construction• Ideal for Fixed Installations• Switch-Selectable Low Cut Filter• Dual-LED VU Meter

Dual Mic/Line Preamplifier

Microphone Preamplifier

Amplifier, Mixer or Other
Line-Level Equipment

Microphone Products
Microphone #1

Part # RU-MLA2

Microphone Products
Microphone

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

STM-1

Microphone Preamplifier
50 dB Gain

Part # STM-1

Adjustable Gain Microphone Preamplifier - 35 to 65 dB Gain

Microphone Products
MicrophoneFeatures:• Adjustable Output Level• High or Low Impedance Mic Input• Mic Input to 2 Line Outputs• Two Balanced or Unbalanced Outputs• 24 V Phantom Power Capability• RF-Filtered Input and Outputs• Versatility of STICK-ON® Compactness

FP-MPA2

STM-2

Professional Low-Noise
Microphone Preamplifier

Dual Mic Phantom Adapter
Amplifier, Mixer or other Equipment
Microphone Inputs that do not
Provide Phantom Power

Made in the USA

Amplifier, Mixer or Other
Line-Level Equipment

Ultra-Compact, Low-Noise, Adjustable-Gain Microphone Preamp

Microphone #2• Provides 12 V, 24 V, or 48 V Phantom Power to 1 or 2 Microphones• Inputs and Outputs on XLR Connectors• Selectable Current for 24 V Microphones• Low-Profile, All-Metal Construction is Ideal for Fixed Installations• Each Phantom Output is Short-Circuit Protected

Part # FP-MPA2

Amplifier, Mixer or Other
Line-Level Equipment

Microphone Preamplifier - 50 dB Gain
• Fixed 50 dB Gain
• 1 Unbalanced Output• 1 Balanced Output that may be Wired Unbalanced• Optimized for Dynamic or Condenser Mics
• 24 V Phantom Power Capability• RF-Filtered Input and Outputs• Versatility of STICK-ON® Compactness

FP-MP1

Dual Microphone Phantom Adapter 12, 24, 48 V

Microphone #2
Microphone #1

Features:

Part # FP-MP1

Features:

RU-MLA2

Ultra-Compact, 50 dB Fixed-Gain Microphone Preamp

MicrophoneFeatures:

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Amplifier, Mixer or Other
Line-Level Equipment• Two-Channel Audio Preamplifier• Optimized for Dynamic or Condenser Mics
• Front Panel XLR Input / Output Jacks• Detachable Input / Output Terminal Blocks• Switch-Selectable Mic or Line Inputs• Switch-Selectable Mic Gain and 24 V Phantom• Gain Trim on Each Input• Each Output Switch-Selectable Mic or Line

Studio-Quality Microphone Preamplifier with Phantom

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Dual Microphone Preamplifier
with 24/48 PhantomFeatures:• Converts 2 Microphone Signals to Line Level• Optimized for Dynamic or Condenser Mics
• Switch-Selectable, Line-Level Compressor Controls Overloads andPrevents Clipping• Switch-Selectable 24 V Phantom Power• User-Accessible Microphone Volume Controls• Headroom Accommodates “Hot” Microphone Input Levels• Zero to 50 dB Gain
• Dual-LED VU Meters

Dual Microphone Phantom Power Inserter

HR-MP2Dual-Channel Microphone or Line -Level Preamp

Features:Feature-Rich, Low-Noise, Single-Channel, Studio-Quality Microphone Preamp

Microphone #2• 2 Independent Studio-Quality Microphone Preamps• Optimized for Dynamic or Condenser Mics
• Switch-Selectable 24 V or 48 V Phantom Power• 2 Individual Outputs Plus 1 Summed Output• Inputs on XLR Connectors• Outputs on XLR, Detachable Terminal Blocks or 1/4” TRS• Dual-LED VU Meter for Each Preamplifier• Clip Indicators for Peaks 3 dB Below Clipping

Dual Microphone Preamplifier - Stereo Output with Compressors

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone #1Features:• Converts 1 Microphone Signal to Line Level• Optimized for Dynamic or Condenser Mics
• Switch-Selectable, Line-Level Compressor Controls Overloads andPrevents Clipping• Switch-Selectable 24 V Phantom Power• User Accessible Microphone Volume Control• Headroom Accommodates “Hot” Microphone Input Levels• Zero to 50 dB Gain
• Dual-LED VU Meter

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Versatile Dual-Channel, Studio-Quality Microphone PreampFeatures:

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Studio-Quality Dual Microphone Preamplifier

Made in the USA

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)
Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Part # STM-2

Amplifier, Mixer or Other
Line-Level Equipment

Made in the USA

Made in the USA

Microphone Preamplifier - Stereo Output with Compressors

Microphone Products

Single-Channel Microphone Preamp with Compressor

Part # EZ-MPA1

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Dual-Channel Microphone Preamp with Compressor

Part # HR-MP2

Part # EZ-MPA2

Dual Microphone / Line Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Microphone Products• Optimized for Dynamic or Condenser Mics
• Switch-Selectable off, 12 V or 24 V Phantom Power• Adjustable 19 dB to 65 dB Gain
• XLR and Terminal Block Connections• Ultra-Compact All Metal Construction• Ideal for Fixed Installations• Switch-Selectable Low Cut Filter• Dual-LED VU Meter

Dual Mic/Line Preamplifier

Microphone Preamplifier

Amplifier, Mixer or Other
Line-Level Equipment

Microphone Products
Microphone #1

Part # RU-MLA2

Microphone Products
Microphone

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

STM-1

Microphone Preamplifier
50 dB Gain

Part # STM-1

Adjustable Gain Microphone Preamplifier - 35 to 65 dB Gain

Microphone Products
MicrophoneFeatures:• Adjustable Output Level• High or Low Impedance Mic Input• Mic Input to 2 Line Outputs• Two Balanced or Unbalanced Outputs• 24 V Phantom Power Capability• RF-Filtered Input and Outputs• Versatility of STICK-ON® Compactness

FP-MPA2

STM-2

Professional Low-Noise
Microphone Preamplifier

Dual Mic Phantom Adapter
Amplifier, Mixer or other Equipment
Microphone Inputs that do not
Provide Phantom Power

Made in the USA

Amplifier, Mixer or Other
Line-Level Equipment

Ultra-Compact, Low-Noise, Adjustable-Gain Microphone Preamp

Microphone #2• Provides 12 V, 24 V, or 48 V Phantom Power to 1 or 2 Microphones• Inputs and Outputs on XLR Connectors• Selectable Current for 24 V Microphones• Low-Profile, All-Metal Construction is Ideal for Fixed Installations• Each Phantom Output is Short-Circuit Protected

Part # FP-MPA2

Amplifier, Mixer or Other
Line-Level Equipment

Microphone Preamplifier - 50 dB Gain
• Fixed 50 dB Gain
• 1 Unbalanced Output• 1 Balanced Output that may be Wired Unbalanced• Optimized for Dynamic or Condenser Mics
• 24 V Phantom Power Capability• RF-Filtered Input and Outputs• Versatility of STICK-ON® Compactness

FP-MP1Dual Microphone Phantom Adapter 12, 24, 48 V

Microphone #2
Microphone #1

Features:

Part # FP-MP1

Features:

RU-MLA2

Ultra-Compact, 50 dB Fixed-Gain Microphone Preamp

MicrophoneFeatures:

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Amplifier, Mixer or Other
Line-Level Equipment• Two-Channel Audio Preamplifier• Optimized for Dynamic or Condenser Mics
• Front Panel XLR Input / Output Jacks• Detachable Input / Output Terminal Blocks• Switch-Selectable Mic or Line Inputs• Switch-Selectable Mic Gain and 24 V Phantom• Gain Trim on Each Input• Each Output Switch-Selectable Mic or Line

Studio-Quality Microphone Preamplifier with Phantom

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Dual Microphone Preamplifier
with 24/48 PhantomFeatures:• Converts 2 Microphone Signals to Line Level• Optimized for Dynamic or Condenser Mics
• Switch-Selectable, Line-Level Compressor Controls Overloads andPrevents Clipping• Switch-Selectable 24 V Phantom Power• User-Accessible Microphone Volume Controls• Headroom Accommodates “Hot” Microphone Input Levels• Zero to 50 dB Gain
• Dual-LED VU Meters

Dual Microphone Phantom Power Inserter

HR-MP2Dual-Channel Microphone or Line -Level Preamp

Features:Feature-Rich, Low-Noise, Single-Channel, Studio-Quality Microphone Preamp

Microphone #2• 2 Independent Studio-Quality Microphone Preamps• Optimized for Dynamic or Condenser Mics
• Switch-Selectable 24 V or 48 V Phantom Power• 2 Individual Outputs Plus 1 Summed Output• Inputs on XLR Connectors• Outputs on XLR, Detachable Terminal Blocks or 1/4” TRS• Dual-LED VU Meter for Each Preamplifier• Clip Indicators for Peaks 3 dB Below Clipping

Dual Microphone Preamplifier - Stereo Output with Compressors

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone #1Features:• Converts 1 Microphone Signal to Line Level• Optimized for Dynamic or Condenser Mics
• Switch-Selectable, Line-Level Compressor Controls Overloads andPrevents Clipping• Switch-Selectable 24 V Phantom Power• User Accessible Microphone Volume Control• Headroom Accommodates “Hot” Microphone Input Levels• Zero to 50 dB Gain
• Dual-LED VU Meter

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Microphone Products

Versatile Dual-Channel, Studio-Quality Microphone PreampFeatures:

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Studio-Quality Dual Microphone Preamplifier

Made in the USA

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)
Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Part # STM-2

Amplifier, Mixer or Other
Line-Level Equipment

Made in the USA

Made in the USA

Switched Microphone Preamplifier - 35 to 65 dB Gain

Microphone Products

Ultra-Compact Microphone Preamp for Push-To-Talk or “Cough Button” Applications

MicrophoneFeatures:• Switched Microphone Preamp• Ideal for Push-to-Talk or “Cough Button” Applications• Optimized for Dynamic or Condenser Mics• Low-Noise Operation and Quiet Switching• Adjustable 35 to 65 dB Gain
• 24 V Phantom Power Capability• Versatility of STICK-ON® Compactness

Control Switch

Microphone Compressor

STM-2X

Increases Intelligibility of any Public Speaker

Switchable Low-Noise
Microphone Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone Products
MicrophoneFeatures:

Microphone Compressor• Ideal for Public Address Mics, Lectern Mics, Paging Mics, Portable
Mics and Pass-Around Mics
• Provides Consistent Mic Levels for Varying Speech Levels• Prevents Distortion by Reducing Excessively-Loud Mic Signals• Improves Low-Level Speech Intelligibility• Prevents Input-Clipping Distortion of Mixer / Mic Preamp Input• Compatible with Hard-Wired or Wireless Microphones• Installs Easily with 2 Screws or Optional RDL Mounting Accessories

Amplifier, Mixer or Other
Line-Level Equipment

Ultra-Compact, Low-Noise, High-Gain Microphone Preamp

EZ-MCP1Features:Part # STM-2X

High-Gain Microphone Preamplifier - 45 to 75 dB Gain

Microphone Products• Adjustable 45 to 75 dB Gain
• Optimized for Dynamic or Condenser Mics
• 2 Balanced/Unbalanced Outputs• 24 V Phantom Power Capability• Versatility of STICK-ON® Compactness

Power Supply Included:
PS-24AS (USA), PS-24AX (International)

Microphone
Extra Soft NormalLoudNormal

Part # EZ-MCP1
Public Address SystemSTM-3

High Gain Professional
Microphone Preamplifier

Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Amplifier, Mixer or Other
Line-Level Equipment

Studio-Quality Microphone Preamplifier with Phantom - 3 Line Outputs
Microphone Preamp with Audio Distribution

Microphone Products
MicrophoneFeatures:• Compact, Studio-Quality Microphone Preamp• Three Distributed Line-level Audio Outputs• Low-Noise and Low-Distortion Performance• 24 V Phantom Power Capability• Adjustable Gain up to 60 dB• Dual-LED VU Meter• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

STM-LDA3

Professional Low-Noise
Microphone Preamplifier(3 Line Outputs)#1 Mono, Line-Level
Balanced or Unbalanced Input

Part # STM-LDA3#3 Mono, Line-Level
Balanced or Unbalanced Input

Microphone Products
ST-MPA2Features:• Add Phantom-Powered Mics to Standard Inputs• Two Phantom Adapters in One Module• Phantom Conversion with Full Frequency Response• Adjustable 6 V to 52 V Phantom Voltage Using 52 V Power Supply• Adjustable 6 V to 24 V Phantom Voltage Using RDL 24 V Power
Supply• Highly-Filtered Phantom Power• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Part # ST-MPA2

Microphone Products

Provides Consistent Audio Output Levels for Varying Speech Levels

Microphone #1Features:• Optimized for Dynamic or Condenser Mics
• Controls Overloads That Cause Distortion and Clipping• Use as a Mic-Level Compressor or as a Mic Preamp with Compression• Microphone or Line-Level Outputs• Inputs and Outputs on XLR and Detachable Terminal Block• Switch-Selectable 48 V Phantom for Both Inputs• Switch-Selectable 15 dB Input Pads

Extra
Loud Soft Normal

Microphone #2Extra
Loud Soft Normal

HR-MCP2
Dual Microphone
Compressor

NormalNormalRecommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Part # HR-MCP2

Amplifier, Mixer or Other
Line-Level Equipment#2 Mono, Line-Level
Balanced or Unbalanced Input

Microphone Phantom Adapter - 2 Channels
Phantom Power for 2 Microphones

Dual Microphone Compressor

Part # STM-3

Dual Mic Phantom Adapter

Power Supply
6-52 Vdc

Mixerw/ No Phantom

Gated Speech Preamplifier - Microphone to Line Level
Microphone Preamp that Activates when Speech is Detected

MicrophoneFeatures:• Minimizes Background Noise by Deactivating Microphone Input
when no Speech is Detected• Automatic Muting After 2 Seconds without Speech• Fast, Silent Audio Switching• Up to 48 V Phantom Power Capability• Adjustable 45 to 65 dB Gain
• Open-Collector Output for Controlling RDL Modules or Other
Equipment• Versatility of STICK-ON® Compactness
Recommended Power Supply:
PS-24AS (USA), PS-24AX (International)

Microphone 2Processing

Part # ST-GSP1

ST-GSP1

Gated Speech Preamplifier

Amplifier, Mixer or Other
Line-Level Equipment

Microphone 1

Made in the USA

Made in the USA

Questions? Tech Support: (928) 778-3554 | service@rdlnet.com
Product Applications & Information: www.rdlnet.com

Made in the USA

Made in the USA