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  1. Home
  2. Alto Professional Store
  3. Discontinued Alto Professional Pro Audio, Live Sound, & DJ
  4. Discontinued Alto Professional Live Sound
  5. Discontinued Alto Professional Stage Subwoofers

Discontinued Alto Professional Stage Subwoofers

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Power Configuration
PA Subwoofers can be active or passive. Active subwoofers have a built-in amplifier that is designed to power the subwoofer, Passive subwoofers require an external amplifier to power the subwoofer.
Driver Size
This is the size of the low-frequency driver(s) in the PA Subwoofer.
Maximum SPL (Sound Pressure Level)
This is the maximum Sound Pressure Level (SPL) of the PA Subwoofer. The higher the SPL rating, the louder the subwoofers are able to go.
Inputs
These are the types of input connections that the PA Subwoofer has.
Convenience Features
These are some features of the PA Subwoofer that make moving it and using it easier.

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You are currently viewing discontinued products.

Alto Professional SX-SUB15

15" Passive TOURMAX Series Subwoofer 400W Continuous / 800W Program / 1600W Peak, 18mm painted Birch ply cabinet

SX-SUB15 big DISCONTINUED
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Alto Professional SX-SUB15

15" Passive TOURMAX Series Subwoofer 400W Continuous / 800W Program / 1600W Peak, 18mm painted Birch ply cabinet

15" Passive Subwoofer System • 400 Watt Continuous (800W Program, 1600W Peak) • Compact Wood Cabinet with Metal Handles 15” Low Frequency Transducer, 3” Voice Coil

15" Passive Subwoofer System • 400 Watt Continuous (800W Program, 1600W Peak) • Compact Wood Cabinet with Metal Handles 15” Low Frequency Transducer, 3” Voice Coil

Alto Professional SX-SUB18

18" TOURMAX Series Passive Subwoofer System

SX-SUB18 big DISCONTINUED
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Alto Professional SX-SUB18

18" TOURMAX Series Passive Subwoofer System

18" Passive Subwoofer System • Two parallel Speakon NL4 jacks for input and thru connections • Multi-layer Plywood Cabinet w Metal Handles and Black Paint Finishing

1

18" Passive Subwoofer System • Two parallel Speakon NL4 jacks for input and thru connections • Multi-layer Plywood Cabinet w Metal Handles and Black Paint Finishing

 
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