Kramer

Kramer 13-80477090 50W 70V/100V Power Amplifier

Compact Power for Clear Audio AmplificationThe Kramer PA-50HZ Power Amplifier delivers reliable audio amplification in a compact form factor. Designed for high-impedance systems, it's ideal for small to medium-sized spaces.Specifications: Brand: Kramer Model: 13-80477090 Type: Power Amplifier Ou...

$372.00*
Check availability

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Compact Power for Clear Audio Amplification

The Kramer PA-50HZ Power Amplifier delivers reliable audio amplification in a compact form factor. Designed for high-impedance systems, it's ideal for small to medium-sized spaces.

Specifications:

  • Brand: Kramer
  • Model: 13-80477090
  • Type: Power Amplifier
  • Output: 50W
  • Impedance: 70V/100V
  • Suitable for: Small to medium-size meeting spaces and classrooms
  • Output: Line-level

Specifications

Brand
Kramer
Model Number
13-80477090
Output Power
50W
Supported Speaker Voltage
70V/100V
Product Type
Power Amplifier

Pros & Cons

👍 Pros

  • Provides 50W of output power, suitable for driving multiple speakers in commercial installations.
  • Supports both 70V and 100V constant voltage speaker systems, offering versatility for large-scale audio deployments.
  • Optimized for power amplification, delivering reliable and consistent audio performance for background music or paging systems.
  • The robust design implies suitability for professional environments and continuous operation.
  • A Kramer amplifier suggests integration with other Kramer audio/video solutions, if available.

👎 Cons

  • Specific details regarding the amplifier's frequency response, signal-to-noise ratio, or total harmonic distortion are not provided.
  • The number or type of audio inputs (e.g., XLR, RCA, Phoenix) on the amplifier is not specified.
  • Information about any built-in features such as DSP, EQ, or protection circuits is absent.
  • Its physical dimensions or weight are not detailed, which could impact rack-mounting or installation planning.
  • The description does not mention if the amplifier includes any cooling mechanisms like fans, which is relevant for continuous operation.

Frequently Asked Questions

The Kramer 13-80477090 is a 50W power amplifier.
This amplifier supports both 70V and 100V constant voltage speaker systems, commonly used in commercial audio installations.
Yes, as a 50W 70V/100V power amplifier from Kramer, it is designed for commercial installations, implying suitability for professional use.
Its primary function is to amplify audio signals for driving speakers in a constant voltage distributed audio system.
The provided details specify its power output and supported speaker voltages, but do not list specific audio processing features like EQ or DSP.