Subharmonic Synthesizer - 500 Series

MSRP $187.00
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For decades, dbx’s patented Subharmonic Synthesis has rattled foundations enhancing the bass in a variety of professional applications including nightclub and DJ mixing, theatre and film sound, music recording, live music performance and broadcasting. dbx’s Subharmonic Synthesis process actually produces a new, Waveform Modeled bass note, exactly an octave below the bass in the original audio.

The dbx 510 answers the call of audio professionals everywhere delivering Subharmonic Synthesis in the convenient design of a 500 Series module. The 510’s two separate bands of subharmonic synthesis provide the best combination of smoothness and control, while the independent Low Frequency Boost circuit is designed to get the most out of high-performance, low frequency speaker systems. Unlike other attempts at bass synthesis, the dbx process produces musical low frequencies that don’t interfere with mid and high-band information, even when the maximum synthesis and boost are applied. The result is a low-end punch that people really feel!

Put some boom in your room with the dbx 510!

Recommended for: Portable, Tour, Studio.


  • Based on dbx's fabled Subharmonic Synthesizer processors
  • Simple, intuitive interface
  • Synthesized frequency level indicator LEDs
  • Individual controls for two ranges of subharmonic frequencies
  • Subharmonics level control
  • Synthesis Bypass switch



Input Type Electronically balanced/unbalanced, RF filtered
Input Impedance 20 k Ω balanced, 10 k Ω unbalanced
Max Input Level +22 dBu
CMRR >40 dB; typically >55 dB at 1 kHz
Output Type Electronically balanced/unbalanced, RF filtered
Output Impedance Balanced 30Ω , unbalanced 15Ω
Max Output Level +22 dBu
Frequency Response 20Hz – 20kHz, + 0/-0.5dB; 14 Hz – 120 kHz, +0/-3 dB
Noise <-99 dBu, Unweighted (22 Hz – 22 kHz)
THD+Noise <0.003% typical from 22 Hz – 22 kHz at 0 dBu
Dynamic Range >120 dB
Synthesis Frequency Range 26-56 Hz (from 54-110 Hz input signal)
Power Requirements +/- 16V DC
Power Current Draw 85 mA per power rail
Power Draw 2.7 watts
Rack System Compatibility 500 Series Compatible Power-frame
Rack Space 1 Slot
Dimensions (H x W x D) 5.25” x 1.5” x 6” (13.34 cm x 3.81 cm x 15.24 cm)
Weight 1.3 lbs (0.59 kg)
Shipping Weight 1.7 lbs (0.77 kg)




Subharmonic Synthesizer - 500 Series

MSRP $187.00
Save $37.05!