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Avenue Sound
Shop No. 14, Jethabhai Bldg, 18/A Bomanji Petit Road,
Kemp’s Corner, Mumbai 400036
Toll Free Number: 1-800-121-8625
Phone: +919930885877
Showroom: +91-22-23644258
Store Hours: Mon-Sun 10AM To 8PM
Email: ashish@avenuesound.in


Avenue Sound
Shop No. 5, Mauli CHS Ltd., Sector 50 (E),
Seawoods, Nerul, Navi Mumbai – 400706
Toll Free Number: 1-800-121-8625
Mobile: +919930885877
Showroom: +91-22-27715878
Store Hours: Mon-Sun 10AM To 8PM
Email: ashish@avenuesound.in

Rythmik Audio F25

Rythmik Audio F25


15″ Sealed Audiophile Subwoofer with dual drivers



The standard amplifier of F25 is H800XLR3. It has two Hypex 400WRMS power amplifier modules in one heat sink so that each module independently drive one driver with servo control.  These subwoofers are very heavy so we will include furniture mover pads (for either carpet or hard floor).

The feet are sold separately. Black cones are made of anodized aluminum. Silver cones are made of non-anodized aluminum in order to retain the shine.

F25 comes with a grille (not shown in photo). These subwoofers are shipped via UPS freight. They are not time definitive. So we cannot guarantee delivery time. The standard shipping includes residential delivery with lift gate service.


  • Patented Direct Servo technology
  • dual 15″ black anodized aluminum high excursion driver
  • Solid and very inert enclosure
  • Bass extension controls allowing adjustment of bass extension and excursion control
  • Selectable 12/24 db/octave crossover filter slope
  • Balanced XLR connections for professional use (XLR version option)
  • Parametric EQ


Driver: Dual DS1501 15″ high excursion with custom sensing coil
Frequency Response: 14 – 200 Hz (-2 dB @ 14 Hz) with LFE inputs
  14 – 90 Hz (-2 dB @ 14 Hz) with LINE IN inputs
Crossover slope: Selectable 12 or 24 dB / octave
Crossover range (Low pass): 25 – 120 Hz (with LINE IN inputs)
Phase response: 90 degrees phase shift at 20 Hz
Phase adjustment: 0 – 180 degrees continuously variable
Dimensions: 19″(W) x 33″ (H )x 21″(D) – (23″ D with grille and heatsink)
Shipping Weight: 170 lbs with no palette (220lbs including weight of a palette)
Finishes: Available black oak and black matte vinyl

Warranty: 5 years warranty on driver and 3 years on electronics


Additional information

Weight 100 kg

Rythmik Audio


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