ETS SMA1-HP Microphone, 30 Watt Speaker, Amplifier Interface
SKU
SMA1-HP
Model No
SMA1-HP
$206.88
Product Highlights
- Single CAT5 cable run up to 350' between SMA1-HPC5 and speaker, microphone
- Standard RCA or 3.5mm jacks for connection to DVRs etc
- Adjustable independent volume controls for speaker and microphone
- 30 Watts RMS power output (70v balanced line)
- Balanced 600 Ohm microphone signal transmission. Audio is transformer converted to unbalanced

Speak to an expert
The SMA1-HP from ETS is a high-performance microphone and 30 Watt speaker amplifier interface designed for seamless audio connection and control. With advanced features such as adjustable volume, integrated power transformer, and robust connectivity options, it ensures optimal sound quality and user-friendly installation for a variety of applications.
ETS SMA1-HP Microphone + Speaker Features
- Single CAT5 cable run: Supports a distance of up to 350' between SMA1-HPC5 and speaker or microphone, simplifying installation.
- Standard RCA or 3.5mm jacks: Allows for versatile connections to DVRs and other audio equipment, ensuring compatibility.
- Adjustable independent volume controls: Provides individual control over speaker and microphone levels for tailored audio experience.
- 30 Watts RMS power output: Delivers ample power for effective sound projection in various settings.
- Balanced 600 Ohm microphone signal transmission: Ensures high-quality audio with minimal interference, ideal for professional environments.
- Frequency response 200-10KHz: Guarantees clear sound reproduction across a wide range of frequencies.
- Short circuit protection: Safeguards the device against damage, enhancing durability and reliability.
- Built-in 70V 30W audio power transformer: Facilitates easy integration into larger audio systems by providing efficient power management.
- Euro-style connectors: Makes speaker and microphone cable terminations quick and clean, reducing installation time.
- LED power indicator: Allows for easy monitoring of power status, complemented by an auto-reset fused mechanism.
- Call sw: unreferenced: Includes 2 free terminals for added functionality.
- Power: 24 VAC @ 2000mA: Provides reliable power supply for consistent performance.
- Grey plastic ABS housing: Ensures a lightweight and durable design suitable for various environments.
ETS SMA1-HP Microphone + Speaker Specifications
| Feature | Details |
|---|---|
| CAT5 Cable Run | Up to 350' |
| Jack Types | RCA or 3.5mm |
| Volume Controls | Independent for speaker and microphone |
| Power Output | 30 Watts RMS (70V) |
| Microphone Signal Transmission | Balanced 600 Ohm |
| Frequency Response | 200-10KHz |
| Protection | Short circuit protected |
| Transformer | Built-in 70V 30W |
| Connectors | Euro-style |
| Power Indicator | LED indicator with auto-reset fuse |
| Call Switch | Unreferenced, 2 free terminals |
| Power Supply | 24 VAC @ 2000mA |
| Housing Material | Grey plastic ABS |
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