Driver Specifications for the LSR4326 and 4328
Written by Ernesto Hernandez
Updated at January 9th, 2026
Question:
What is the impedance of the loudspeaker drivers?
Answer:
The LSR4326 & 4328 are comprised of two drivers:
1. Low Frequency Driver:
- 438H (LSR4328P)
- 436H (LSR4326P)
- Diameter: 203 mm (8 in) (LSR4328P)
- 159 mm (6.25 in) (LSR4326P)
- Voice Coil: 2" (51 mm) (LSR4328P)
- 1.5" (38 mm) (LSR4326P)
- Magnet Type: Neodymium
- Cone Type: Polymer coated paper fiber
- Impedance: 8 ohms
2. High Frequency Driver: 431G
- Diameter: 25 mm (1 in) diaphragm
- Voice Coil: 1" (25 mm)
- Magnet Type: Neodymium, shielded with integral heat sink
- Diaphragm Type: Silk Dome
- Impedance: 4 ohms