AD PP400 Ultra-Compact Phono Preamplifier

Bring Your Vinyl Collection Back to Life.

The AD PP400 Ultra-Compact Phono Preamplifier is the perfect solution for connecting turntables with magnetic cartridges to modern mixers, powered speakers, amplifiers, and home audio systems. Designed to convert low-level phono signals into standard line-level audio, the PP400 preserves the warm, rich sound of vinyl while delivering clean, low-noise performance.

Whether you're a vinyl enthusiast, DJ, recording studio, or home audio lover, the AD PP400 lets you enjoy the authentic sound of your records with exceptional clarity and reliability.

Why Choose the AD PP400?

Converts Phono Signals to Line Level

Most modern amplifiers, powered speakers, and mixers do not include a dedicated phono input. The AD PP400 amplifies your turntable's low-level phono signal into a standard line-level output, allowing seamless connection to virtually any audio system.

Designed for Magnetic Cartridges

The PP400 is optimized for moving magnet (MM) cartridges, delivering accurate RIAA equalization and faithful sound reproduction to preserve the original warmth and detail of your vinyl records.

Ultra-Low Noise Performance

Featuring a high-quality low-noise preamplifier circuit, the PP400 produces clean, detailed audio with minimal background noise, ensuring every record sounds its best.

Flexible Output Connections

The PP400 offers both stereo RCA outputs and a 1/4-inch TRS output, providing compatibility with professional audio equipment, mixers, amplifiers, powered speakers, and home stereo systems.

Compact and Easy to Install

Its ultra-compact design fits neatly into any home entertainment system, DJ setup, or studio workstation without taking up valuable space.

Built for Long-Term Reliability

Manufactured with premium electronic components and housed in a rugged enclosure, the AD PP400 is designed for years of dependable performance.

Ideal Applications

The AD PP400 is perfect for:

• Vinyl Record Players
• Turntables
• Home Hi-Fi Systems
• Stereo Receivers
• Powered Speakers
• DJ Systems
• Recording Studios
• Audio Interfaces
• Home Entertainment Systems
• Music Enthusiasts
• Vinyl Collectors
• Multimedia Installations

Key Features

• Professional Ultra-Compact Phono Preamplifier
• Converts Phono Signals to Standard Line Level
• Designed for Magnetic (MM) Cartridges
• High-Quality RIAA Equalization
• Ultra-Low Noise Circuit Design
• Stereo RCA Input
• Stereo RCA Output
• 1/4-inch TRS Line Output
• Compact and Lightweight Design
• Durable Construction
• Includes 12V DC Power Adapter

Technical Specifications

Inputs

• Stereo RCA Phono Input

Outputs

• Stereo RCA Line Output
• 1/4-inch TRS Line Output

Compatibility

• Moving Magnet (MM) Phono Cartridges

Power Supply

• DC 12V Power Adapter (Included)

Construction

• Compact Professional Design
• Durable High-Quality Housing

Why Professionals and Vinyl Enthusiasts Choose the AD PP400

The AD PP400 is a simple yet essential solution for anyone looking to enjoy the timeless sound of vinyl through modern audio equipment. With accurate phono amplification, low-noise performance, and flexible connectivity, it ensures your records are reproduced with the warmth, clarity, and character they were meant to deliver.

Whether you're building a home Hi-Fi system, expanding a DJ setup, or integrating a turntable into a professional audio system, the AD PP400 offers reliable performance in a compact and affordable package.

Rediscover the Warmth of Vinyl. Hear Every Detail.