Alto Professional TS315S

Active Subwoofers | Product code: TS315S | ID: 311226


In stock for online shop > 5 pcs.
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Estimated delivery 2019-12-12

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Alto Professional TS315S
Alto Professional TS315S Cover

Alto Professional TS315S

Active 15"" subwoofer from Alto Professional TS300 series. This subwoofer extends the bass response of virtually any fullrange speaker, relieving that speaker of the difficult task of having to reproduce the low bass frequencies. The result? A system with stunning wide-range response characterized by dramatic, impactful low frequencies and effortless, undistorted mids and highs. The listening audience will hear everything with perfect clarity, from the lowest bass synth tones to the highest percussion bells and everything in between.

TS315S features a rugged, long-excursion woofer mounted in a solidly-braced ported enclosure, computer-optimized for powerful low-frequency performance. The enclosure itself is made from a dense wood composite. This strong, resonantfree material has virtually perfect acoustic characteristics, which ensures that the subwoofers’ output is always clear and impactful.

Strong, clear output is only half the battle, however in order for a subwoofer to be part of an ideal speaker system, it has to blend seamlessly with the companion speaker. This is where the Alto Professional’s TS315S truly excels. All TS300-series subwoofers have a choice of six selectable DSP output modes so the subwoofer’s frequency response and crossover frequency are perfectly-matched to the speaker it’s being used with. Four of these six output options match the subwoofer perfectly with Alto TS2 and TS3 full-range speakers, while the other two output options (Hi-Pass or Bypass mode) ensure a perfect match even with non-Alto full-range speakers.

Our computer design techniques feature advancements such as Finite Element Analysis (FEA), which enables us to optimize the speaker’s magnetic structure and maintain a tight voice coil gap for maximum sensitivity. Our voice coils themselves have extremely tight windings that ensure maximum utilization of the input signal and our adhesives exhibit unrivaled consistency and durability under high temperature conditions for unsurpassed system reliability.

TS315S features an on-board 2000 W amplifier (1000 W continuous) with proprietary limiting circuitry that provides electronic clip, thermal and transducer overload protection, ensuring that the system always sounds clean and clear, no matter how hard it’s pushed.


  • 2000 watts of peak power output
  • High-efficiency Class D amplifier
  • Transducer: 15-inch with 3-inch high-temperature voice coil
  • 2 x XLR/6,3 mm jack combo inputs, 2 x balanced XLR line outputs
  • XLR outputs, with six discreet DSP output modes for ideal matching with companion full-range speaker
  • Polarity Reverse switch and Extended LF switch for increased EQ control
  • Electronic clip, thermal and transducer overdrive protection
  • Rugged, internally-braced front-ported MDF cabinet with integrated 36 mm pole socket
  • Rugged, mar-resistant splatter-spray finish always looks good, even with heavy use
  • Designed and tuned in the USA


  • Output power: 2000 W peak, 1000 W continuous
  • Amplifier: High-efficiency Class D amplifier
  • Speaker: 15” woofer, 3” voice coil
  • Frequency response: 44 Hz – 85 Hz (- 3 dB)
  • Frequency range: 37 Hz – 100 Hz (-10 dB)
  • Maximum SPL: 131 dB (@ 1 m) 128 dB continuous (dB SPL @ 1 m)
  • Connections: 2 x XLR/6,3 mm jack inputs, 2 x XLR outputs; 1 x IEC power cable input
  • Input level: Line +4 dBu (nominal)
  • Controls: volume control, DSP output mode switch, polarity-reverse switch, extended low-frequency switch, power switch
  • Indicators: signal/clip limiter LED, six DSP output mode LEDs, polarity-reverse LED, extended low-frequency LED, power switch LED
  • Electronic protections: electronic clip, thermal and transducer overdrive protection
  • Enclosure: internally braced MDF cabinet, 36 mm mounting pole socket on top panel
  • Rugged, mar-resistant splatter-spray finish always looks good, even with heavy use
  • Power connection: IEC with Mains Fuse
  • AC voltage input: 100, 110-120, 220–240 V, 50/60 Hz
  • Consumption: 1000 W Fuse: T10AL AC250V (100–120 V) or T5AL AC250V (220–240 V)
  • Dimensions: 542 x 523 x 628 mm
  • Weight: 35,6 kg
  • Colour: Black

Parameters and specifications


2000 W



Power RMS

1000 W


1x 15 "






Nest 36 mm



Made in


Buy Alto Professional TS315S in discounted set.

SET with discounted accessories. Accessories and consumables will be necessary sooner or later. Buy them now and save yourself some money and time. You will not have to deal with it later. Additionally, you can be sure the accessories in the SET will fit your instrument.

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