Roswell R1 1000.1 amplifier – Class-D mono subwoofer output stage

This Class-D monoblock amplifier is designed for use with Roswell R1 subwoofers. Its stackable design and calibrated potentiometer allow for precise tuning for tight, deep bass. Low-pass and subsonic filters, phase control, and an illuminated power indicator make system setup easy, while differential RCA inputs help minimize unwanted noise.

Key Features

• Stackable, space-saving design
• Illuminated logo acts as a power indicator
• Low-pass and subsonic filters (12 dB/oct.)
• Switchable differential RCA inputs minimize interference
• Bass boost 0–18 dB at 45 Hz
• Full phase control 0–180°
• Nickel-plated cable terminals
• Efficient Class-D topology

Mono power and control for your subwoofers

The R1 1000.1 is a mono output amplifier ideal for driving a separate subwoofer channel. Low-pass and subsonic filters (12 dB/oct.) provide tight frequency response control and protect your subwoofers. 0–180° phase control ensures clean integration with the rest of your system. Its stackable design allows for compact installation of multiple amplifiers, while the illuminated power indicator provides instant confirmation that power is present. Switchable differential RCA inputs minimize interference and noise, and the calibrated potentiometer makes fine tuning easy. This amplifier can drive (2) R1 12" (30.48 cm) or (4) R1 10" (25.40 cm) subwoofers.

Specifications

• Amplifier type: Class-D monoblock
• Design: stackable
• Filters: low-pass and subsonic (12 dB/oct.)
• Bass boost: 0–18 dB at 45 Hz
• Phase control: 0–180°
• Inputs: Switchable differential RCA
• Connections: Nickel-plated wire terminals
• Indicator: illuminated logo as power indicator
• Adjustment: calibrated potentiometer
• Subwoofer capacity: up to 2 × 30.48 cm (12") R1 or 4 × 25.40 cm (10") R1 subwoofers
• MPN: 7920-1831

Why Choose Roswell

Roswell combines thoughtful design with practical features that make installation and adjustment easy. Features like the stackable Class-D design, switchable differential RCA inputs, and calibrated control demonstrate attention to detail and ease of use. This allows you to build a clean and reliable subwoofer solution around the R1 series.

Order now

Ready for impressive bass reproduction in your setup? Order the Roswell R1 1000.1 from Watersports4fun and fine-tune your subwoofers with the included filters and control options. Questions about compatibility or installation? Our specialists are happy to help you create the perfect configuration.

This mono power amplifier offers the control you need for a subwoofer channel, with features like a low-pass filter, subsonic filter, bass boost, and phase alignment. Thanks to its stackable design and differential inputs, you can build a quiet, powerful subwoofer amplifier that's perfect for a variety of audio setups.