The L-Acoustics LA48 (and its updated version, the LA48a) is a compact, high-performance power amplifier designed for touring and fixed installations. Originally released to power legacy L-Acoustics systems like the V-DOSC and SB218 subwoofers, it remains a popular choice on the used market for its reliability and power density.
LA48 vs. LA48a
The LA48a is the refined version of the original LA48, often cited with slightly higher power ratings in certain configurations (e.g., up to 2900 W into 2 ohms with specific MLS settings) and updated indicator LEDs for operational status.
Key Specifications
- Channels: 2-channel (double channel) design.
- Weight: Approximately 10 kg (22 lbs), making it relatively lightweight for its power class.
- Form Factor: 2U rack space.
- Cooling: Forced air cooling via two variable-speed fans with front-to-rear airflow.
- Power Output (Standard LA48):
- 8 Ohms: 1300 W per channel.
- 4 Ohms: 2100 W per channel.
- 2 Ohms: 2400 W per channel.
