RCF HDL 36AS | 15in - 135dB | Flyable Subwoofer for HDL 28A Arrays

Active Flyable Subwoofer Module

The RCF HDL 36AS is a compact, high-output flyable subwoofer built specifically to complement the HDL 28A line array system. With a 15” neodymium woofer, powerful onboard DSP, and RDNet compatibility, it delivers precision low-end performance with minimal distortion and simple integration into flown arrays.

RCF HDL 36AS Competitive Differences

• 135 dB SPL from a 15” neodymium woofer in a flyable cabinet
• 3200W peak Class-D amp with RDNet control and cardioid preset options

RCF HDL 36AS Description

The RCF HDL 36AS offers the ideal flyable low-frequency reinforcement for HDL 28A arrays, combining power, portability, and professional-grade DSP control. The 15” neodymium woofer with a 4” voice coil delivers tight and deep bass response down to 40Hz with a maximum SPL of 135dB—enough to fill large indoor and outdoor venues with clean, defined low-end energy. Its integrated 3200W Class-D amplifier provides ultra-fast response, high efficiency, and low distortion, while the built-in 32-bit DSP is fully accessible through RDNet for real-time system tuning. Engineers can monitor and manage delay, crossover, volume, and cardioid configurations directly from the RDNet interface, making the HDL 36AS a flexible tool for any advanced sound system. Constructed with Baltic birch plywood and finished with a durable polyurea coating, this sub is built for the rigors of touring. Its integrated rigging hardware ensures seamless deployment alongside HDL 28A tops, and an M20 pole mount allows for ground-stacked setups as well.

Model Features

• 3200W peak / 1600W RMS Class-D amplifier
• 135 dB max SPL output
• 15" neodymium woofer with 4" voice coil
• 40–140 Hz frequency response
• Built-in 32-bit DSP with RDNet control
• Cardioid-ready presets for directional bass arrays
• Flyable hardware compatible with HDL 28A arrays
• M20 pole mount for stacking flexibility

Model Specifications

• Frequency Response: 40 Hz – 140 Hz
• Max SPL: 135 dB
• Woofer: 15" neodymium, 4" voice coil
• Amplifier Power: 3200W Peak / 1600W RMS
• Inputs/Outputs: XLR & RDNet Ethercon (IN/OUT)
• DSP Controls: Volume, Presets, RDNet via onboard DSP
• Cabinet Material: Baltic birch plywood with steel grille
• Mounting: Integrated array fittings, M20 pole socket
• Cooling: Convection
• Color: Black or White (RAL 9003)
• Dimensions: 18.39 x 21.85 x 23.35 in (467 x 555 x 593 mm)
• Weight: 81.6 lb (37 kg)
• UPC: Not confirmed

What's In The Box

• RCF HDL 36AS unit
• PowerCON cable
• Quick start guide