---
product_id: 60974531
title: "Radio Design Labs RDL 35 Watt Mixer Amplifier - 25 V, 70 V, 100 V Outputs (HD-MA35A)"
brand: "radio design labs"
price: "€ 55.58"
currency: EUR
in_stock: false
url: https://www.desertcart.gr/products/60974531-radio-design-labs-rdl-35-watt-mixer-amplifier-25-v
store_origin: GR
region: Greece
---

# Radio Design Labs RDL 35 Watt Mixer Amplifier - 25 V, 70 V, 100 V Outputs (HD-MA35A)

**Brand:** radio design labs
**Price:** € 55.58
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Radio Design Labs RDL 35 Watt Mixer Amplifier - 25 V, 70 V, 100 V Outputs (HD-MA35A) by radio design labs
- **How much does it cost?** € 55.58 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/60974531-radio-design-labs-rdl-35-watt-mixer-amplifier-25-v)

## Best For

- radio design labs enthusiasts

## Why This Product

- Trusted radio design labs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Radio Design Labs HD-MA35A 35 Watt Mixer Amplifier with Power Supply - Constant Voltage Output 25 V, 70 V or 100 VThe HD-MA35A is a three input audio mixer amplifier for systems demanding a broad range of features and high energy efficiency. Two output power amplifier zones are provided, 35 W (Zone 1) and 2 W (Zone 2). The Zone 1 output is driven from a high-efficiency Class D amplifier stage. The Zone 1 amplifier output level may be VCA controlled using various optional RDL remote controls, or by industry standard 0 to 10 Vdc or 0 to 10 kOhm controls. This output provides a constant voltage (25 V, 70 V or 100 V). The Zone 2 amplifier output drives an 8 Ohm speaker and/or 600 Ohm telephone equipment. The HD-MA35A is engineered and manufactured in the U.S.A.The HD-MA35A features two mixers. The Zone 1 mixer is located on the front-panel providing user level and tone controls for the 35 W amplifier output. The tone controls adjust the equalization at the Zone 1 amplifier output. The Zone 2 mixer on the rear panel provides level trimmers normally set by the installer to provide music-on-hold and/or for background music in a small zone equipped with an 8 Ohm speaker. The Zone 2 section includes a 2 W amplifier and a 600 Ohm transformer-balanced MOH output.The HD-MA35A has three inputs that are common to both mixers. Input 1 accepts a balanced mic or line level source. Inputs 2 and 3 accept unbalanced mono or stereo line-level sources. Input 1 is switch-selectable MIC or LINE. Phantom voltage (IEC standard 24 Vdc) is switch-selectable for the microphone input. The line input is transformer isolated and accepts balanced or unbalanced, high or low impedance audio sources.; A paging source is normally connected to Input 1. This input is equipped with push-to-talk terminals and with an adjustable threshold VOX circuit with LED threshold indicator, either (or both) of which may be set to duck ("fade down" or "mute") inputs 2 and/or 3 by 25 dB when a paging signal is active o

## Images

![Radio Design Labs RDL 35 Watt Mixer Amplifier - 25 V, 70 V, 100 V Outputs (HD-MA35A) - Image 1](https://m.media-amazon.com/images/I/511bYkh5SLL.jpg)
![Radio Design Labs RDL 35 Watt Mixer Amplifier - 25 V, 70 V, 100 V Outputs (HD-MA35A) - Image 2](https://m.media-amazon.com/images/I/511bYkh5SLL.jpg)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-22*