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Alto TS15S is a powered 15-inch subwoofer for adding dedicated low-frequency reproduction to a PA system. A built-in amplifier rated at 2500 watts peak, selectable EQ and phase-alignment controls help it work with suitable full-range loudspeakers.
Alto TS15S 15-Inch Powered Subwoofer
Alto TS15S is a powered 15-inch subwoofer for adding dedicated low-frequency reproduction to a PA system. A built-in amplifier rated at 2500 watts peak, selectable EQ and phase-alignment controls help it work with suitable full-range loudspeakers. Why Choose Alto TS15S? The 15-inch model offers an intermediate cabinet size within this subwoofer family. It can suit a mobile system where bass reinforcement is needed but the largest cabinet is not practical. Account for loading space and lifting arrangements as well as output. Key Features – 15-inch low-frequency driver: takes the dedicated bass role. – Built-in amplification: avoids a separate external subwoofer amplifier. – EQ and alignment controls: help integrate the cabinet with the rest of the PA. – Balanced connections: support signal routing from suitable mixers and processors. Best Suited For
PA and DJ systems that need a dedicated bass section alongside suitable full-range loudspeakers. Setup and Connection Guide
Feed the subwoofer with an appropriate line-level signal and connect the rest of the system according to the intended routing. Adjust crossover, EQ and phase alignment by listening to the combined system. Keep low-frequency boosts moderate and leave headroom at the mixer. Cabinet placement and the room strongly affect bass distribution across the audience. Frequently Asked Questions
Can it replace a full-range PA speaker? No. A subwoofer handles low frequencies and needs suitable full-range speakers for vocals and upper-frequency detail. Choose crossover and level settings so the cabinets work together rather than compete. Does 2500 watts describe continuous output? The figure used here is the manufacturer’s peak amplifier rating. It should not be read as a continuous rating or added across cabinets to predict acoustic loudness. Will any full-range speaker work perfectly with it? Integration depends on compatible signal connections, level, crossover and placement. Use the available controls and test the system together rather than assuming a brand match alone guarantees the result. Technical Specifications Specification
Detail Type
Powered subwoofer Driver
15 inches Voice coil
3 inches Amplifier rating
2500 W peak Published maximum SPL
132 dB at 1 m Inputs
Two XLR/TRS combination sockets Outputs
Two XLR sockets Explore Related Equipment
Compare the features and connection requirements of Alto TS18S 18-Inch Powered Subwoofer when planning your setup.
Additional Information
Specifications
Amplifier Power
2500W peak at 4 Ohms, high-efficiency Class D
Low-Frequency Driver
15 inch (381mm) woofer, 3 inch (76.2mm) high-temperature voice coil
Frequency Response
36Hz - 110Hz (-3dB)
Frequency Range
31Hz - 123Hz (-10dB)
Maximum SPL
132dB at 1m
Dimensions
541 x 523 x 627mm (H x W x D)
Brand
Alto Professional
Model
TS15S
Type
Powered subwoofer
Connections
2 x XLR and 1/4 inch combo inputs, 2 x XLR outputs, IEC power input
EQ Modes
User-selectable EQ tunings: Off, Live, DJ
Phase Alignment
Selector switch 0, 90, 180, 270 degrees
Enclosure
Internally braced front-ported MDF, 36mm pole socket, mark-resistant splatter-spray finish
Protection
Electronic clip, thermal and transducer overdrive protection
Power Consumption
1600W; 100-120V or 220-240V, 50/60Hz
Weight
39.51kg (87.1 lbs)
Model / SKU
ALTO-TS15S
Category
Subwoofers
Condition
Brand new, sealed box
Warranty
Official manufacturer warranty (India)
GST invoice
Yes, input credit available
Warranty Information
Buy with peace of mind. The Alto TS15S 15-Inch Powered Subwoofer comes with the official manufacturer’s warranty for India, valid from the date on your GST invoice. Pro Audio Video is a specialist audio video store, and every product we sell is brand new, sealed and sourced through authorised channels, so your warranty is honoured at brand service centres across India.
Official Indian warranty, as specified by the manufacturer
GST invoice with every order, needed for warranty claims
We help you raise and follow up warranty claims with the brand
Delivery and Shipping
Same-day dispatch on most in-stock orders
Delivery anywhere in India; delivery time depends on your location
Shipped securely in the original manufacturer box
Cash on delivery available on orders up to ₹45,000
Tracking details by SMS and email as soon as your order ships
Returns and Refunds
Not right for you? Return unused products in their original packaging within 7 days of delivery. If a product arrives damaged or defective, tell us within 48 hours with photos and we will replace it or refund you in full.
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