Description
Product Overview
The Sound Around PHA40 is a 4‑channel headphone amplifier designed for professional and home studio environments. Built with ultra‑low‑noise amplifiers, each channel delivers clean, distortion‑free sound even at high volumes. The unit measures 4.07″ x 1.18″ x 2.24″ and weighs just 10.4 ounces, making it easy to transport. It features four ¼” TRS stereo output jacks and a ¼” TRS line‑level input, allowing you to connect a variety of audio sources. Independent rotary volume knobs give each listener precise control over their listening level.
Usage
Ideal for recording engineers, musicians, podcasters, and educators, the PHA40 can be placed on a mixing console, studio desk, or stage monitor rack. Use it during multi‑track recording sessions so each performer can hear the mix at their own level, or in a classroom setting where students need individualized audio. Its compact size also makes it a great companion for mobile recording rigs and on‑the‑road rehearsals.
Why Choose Us
Sound Around combines decades of audio engineering expertise with rigorous quality testing. The PHA40’s chassis is constructed from high‑impact polymer that resists wear and protects internal components. Each amplifier channel is calibrated for consistent output, and the unit is backed by a one‑year warranty, ensuring reliable performance and peace of mind for professionals.
Key Features
- Four independent ¼” TRS headphone outputs for simultaneous listening
- Dedicated rotary volume knob per channel for personalized level control
- Ultra‑low‑noise circuitry maintains audio fidelity at any volume
- Compact, lightweight design (4.07″ x 1.18″ x 2.24″, 10.4 oz) for easy transport
- Robust high‑impact polymer housing for durability in studio and stage environments
FAQ
Can I use the PHA40 with any headphone brand?
Yes, the ¼” TRS connectors are standard and compatible with virtually all over‑ear and on‑ear headphones.
Is the amplifier powered by an external adapter?
The unit includes an AC adapter that provides a stable 12 V DC supply, ensuring consistent performance.
What is the maximum output level per channel?
Each channel can deliver up to 2 V RMS, sufficient to drive most consumer and professional headphones without distortion.
Does the PHA40 support a line‑level input?
Yes, the ¼” TRS input accepts line‑level signals from mixers, audio interfaces, or portable devices.
Is there a warranty on this product?
Sound Around offers a one‑year limited warranty covering manufacturing defects.
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