ST-PA2

RDL ST-PA2 - 2 W Mono Amplifier with 8 Ω and 600 Ω Outputs

The RDL ST-PA2 is a compact Class D mono amplifier delivering 2 W RMS, designed for utility audio applications such as intercom systems and music-on-hold (MOH) in telephone systems. It features a single unbalanced audio input, gain control, and two outputs: one for driving an 8 Ω speaker and another for feeding 600 Ω transformer-coupled inputs.

Both outputs can be used simultaneously, making the ST-PA2 ideal for installations requiring speaker-level and line-level signal distribution. The amplifier delivers clean, reliable audio in a compact STICK-ON format.

Functionality:

• output power: 2 W RMS @ 8 Ω
• line output: +12 dBu @ 600 Ω
• single unbalanced audio input
• gain adjustment - onboard trimmer
• simultaneous use of both outputs supported
• power: 24 V DC

Features:

• compact STICK-ON format
• ideal for intercom, paging and music-on-hold systems
• low-noise performance and high audio quality
• suitable for AV, telecom, educational and commercial installations

The RDL ST-PA2 is a reliable solution for professional audio systems requiring compact amplification with dual output flexibility.