Sound Barrier PCS300D — 1″ High Frequency Compression Driver
PCS300D Overview
The Sound Barrier PCS300D is a high-output compression driver designed for professional loudspeaker systems requiring reliable high frequency reproduction. Built around a 1″ throat and a 1 3/4″ titanium diaphragm voice coil, it delivers 300W maximum power handling with a sensitivity rating of 110 dB, making it well-suited for high-SPL applications in live sound reinforcement, installed systems, and touring rigs. With a frequency range spanning 1 kHz to 18 kHz and distortion rated at 0.05% maximum, the PCS300D is a capable choice for system integrators, audio engineers, and loudspeaker cabinet builders who require consistent, low-distortion HF performance.
The screw-on mounting interface simplifies integration with compatible horn assemblies, and the compact form factor — 4.5″ overall diameter and 2.64″ depth — keeps cabinet design constraints manageable without sacrificing driver performance.
Key Features
- Titanium Diaphragm — Provides high stiffness-to-mass ratio for extended high frequency response and durability under sustained high-power operation
- 1 3/4″ Voice Coil — Large-format voice coil supports 300W maximum power handling for demanding live and installed applications
- 110 dB Sensitivity — High sensitivity rating reduces amplifier demand and supports efficient system design
- 1 kHz to 18 kHz Frequency Range — Broad HF coverage suitable for use with a wide range of crossover points and horn geometries
- 0.05% Maximum Distortion — Low distortion specification supports clean, accurate high frequency reproduction at high output levels
- 8 Ohm Nominal Impedance — Standard impedance for straightforward integration into professional amplifier and crossover configurations
- 30 oz. Magnet — Heavy-duty magnet assembly contributes to consistent magnetic field strength and driver efficiency
- Screw-On Mounting — Secure, repeatable attachment to compatible horn throats for permanent installations and touring applications
Connectivity & I/O
- 1″ throat screw-on horn interface
- 8 ohm nominal impedance, compatible with standard professional amplifier outputs
Technical Specifications
| Throat Size | 1″ |
| Voice Coil Size | 1 3/4″ |
| Power Handling (Max) | 300W |
| Diaphragm Material | Titanium |
| Frequency Range | 1 kHz to 18 kHz |
| Sensitivity | 110 dB |
| Nominal Impedance | 8 Ohm |
| Distortion (Max) | 0.05% |
| Magnet Size | 30 oz. |
| Overall Diameter | 4.5″ / 115 mm |
| Overall Depth | 2.64″ / 67 mm |
| Mounting Type | Screw-On |
| Weight | 2.4 lb / 1.09 kg |
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