2.5-Inch Center-Mounted Spherical Speaker Driver – 4 Ohm, 25W RMS, Precision-Machined Aluminum Enclosure

This 2.5-inch center-mounted spherical speaker driver features a precision-machined aluminum enclosure, combining a compact format with metal housing construction. With a nominal impedance of 4 ohms, it is rated for 25W RMS power handling and 50W maximum power handling.

Its specified frequency response extends from 260Hz to 20kHz, providing coverage across a broad range of audio frequencies. The spherical design and aluminum enclosure make its physical construction a key consideration for custom audio installations where driver placement and mounting compatibility matter.

For speaker assembly, DIY audio projects, or compatible component replacement, this 2.5-inch speaker driver should be selected according to the intended system’s electrical, acoustic, and mechanical requirements. Its stated impedance and power ratings provide reference points for amplifier matching and system integration.

Key Features

• 2.5-inch speaker driver with a center-mounted spherical design.
• Precision-machined aluminum enclosure.
• 4 ohm nominal impedance.
• 25W RMS rated power handling.
• 50W maximum power handling.
• Specified frequency response of 260Hz–20kHz.
• Listed sensitivity of 90dB/mW ±3dB.

Technical Specifications

Product Type: Center-Mounted Spherical Speaker Driver
Nominal Size: 2.5 Inches
Enclosure Material: Precision-Machined Aluminum
Nominal Impedance: 4Ω
Rated Power (RMS): 25W
Maximum Power: 50W
Frequency Response: 260Hz–20kHz
Sensitivity: 90dB/mW ±3dB

Applications and Installation

Consider this driver for custom speaker systems and audio projects where its frequency range, power ratings, and mounting arrangement meet the design requirements. Before installation, verify the overall dimensions, mounting method, amplifier compatibility, and any required crossover or filtering.