Jbl Professional MTC-300T150 Transformer 150W 70V 100V

Product Description

The JBL PROFESSIONAL MTC-300T150 is a 150-watt audio transformer designed for use in distributed speaker systems operating on 70-volt and 100-volt constant-voltage lines. This component steps down the high-voltage line signal to a level compatible with individual loudspeakers, allowing multiple speakers to be daisy-chained across a single amplifier output without significant signal loss. It is a passive device intended for permanent installation by licensed audio-systems contractors or qualified AV integrators working on commercial or institutional sound distribution projects.

The MTC-300T150 is used in commercial paging, background music, and public address systems where 70V or 100V distributed audio architecture is required. Typical installations include retail environments, houses of worship, schools, offices, and hospitality venues where a large number of speakers must be driven from a central amplifier. The 150W power rating accommodates higher-demand speaker zones or larger individual loudspeakers within a distributed network.

Key Features

• 150-watt power rating supports high-demand speaker zones in distributed audio systems
• Compatible with both 70-volt and 100-volt constant-voltage line architectures
• Passive transformer design requires no external power source
• Sold as a single unit for individual speaker or zone wiring

Compatibility

Designed as an OEM-style accessory for use with 70V and 100V constant-voltage distributed speaker systems. No specific compatible model numbers were provided in the product data.

Installation Notes

Installation should be performed by a qualified AV systems contractor or licensed audio technician familiar with constant-voltage distributed speaker systems. Disconnect and de-energize the amplifier before making any wiring connections. Follow applicable local electrical codes and NEC guidelines when routing and terminating speaker wiring. Do not exceed the rated wattage of the transformer when configuring tap settings or zone loads.