Femto PSU

AUDIOROOT FEMTO PSU – External Power Supply Unit for the FEMTO Microphone Preamplifier

The AUDIOROOT FEMTO PSU is a high‑quality external power supply designed specifically for the AUDIOROOT FEMTO portable stereo microphone preamplifier. It provides a stable, low‑noise DC power source for extended operation in the field, ensuring optimal audio performance even when high‑current 48V phantom power is required.

Built with professional components and engineered for reliability, the FEMTO PSU is ideal for ENG, documentary, broadcast and music recording workflows where uninterrupted operation is essential. The unit connects directly to the FEMTO via a Hirose 4‑pin or barrel‑type DC connector, matching the preamp’s dual‑input power architecture.

Estimated delivery time: 1–2 weeks.

Key Features

• Dedicated external PSU for the AUDIOROOT FEMTO preamplifier

• Provides clean, stable DC power for low‑noise audio performance

• Supports full‑current 48V phantom power operation

• Compatible with both Hirose 4‑pin and Switchcraft barrel DC inputs

• Designed for continuous field use

• Lightweight and compact for ENG/EFP portability

• Ideal for long recording sessions where internal 9V batteries are insufficient

Electrical Characteristics

• Output voltage: 12–18 V DC (depending on configuration)

• Optimized for FEMTO’s operating range and current draw

• Low‑noise regulated output for sensitive microphone preamps

• Supports high‑current loads when powering condenser microphones

Construction & Design

• Rugged, field‑ready build quality

• High‑reliability DC cabling and connectors

• Compact form factor suitable for bag‑based sound setups

• Designed to integrate seamlessly with professional audio power distribution systems

Compatibility

• Fully compatible with:

  • AUDIOROOT FEMTO stereo microphone preamplifier

• Connector types supported:

  • Hirose 4‑pin DC

  • Switchcraft barrel DC

Typical Applications

• ENG / EFP

• Documentary and field recording

• Broadcast and interview setups

• Music and acoustic recording

• Any scenario requiring long‑duration FEMTO operation without battery swaps