Alto
Alto TS18S – 18″ 2500W Active Subwoofer
Alto TS18S – 18″ 2500W Active Subwoofer
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- Johannesburg, Cape Town, Durban, Pretoria: 2–4 business days after payment confirmation.
- Secondary cities and towns: 3–6 business days.
- Outlying and remote areas: 5–7 business days.
- Nationwide delivery options and terms are listed in our shipping policy.
- Delivery timelines begin once full payment has been confirmed. All orders are shipped via fast, insured courier. You will receive a tracking number by email once your order is dispatched.
Delivery timelines begin once full payment has been confirmed. All orders are shipped via fast, insured courier. You will receive a tracking number by email once your order is dispatched. View full shipping policy →
- EFT (Electronic Funds Transfer) — Direct bank transfer from any South African bank account. No additional fees. Orders confirmed within 1 business day of payment reflecting.
- Cross Border Transfer — For customers in SADC neighboring countries (Lesotho, Zimbabwe, Mozambique, Namibia, Botswana, Eswatini). Order via checkout; invoices settle in ZAR via standard cross-border bank transfer.
- Wire Transfer — For international customers outside the SADC region. Complete checkout to generate a proforma invoice with Swift routing details. Payments are processed in ZAR value.
Orders are confirmed once payment reflects. Banking details are provided in your order confirmation email. View payment details →
- All products are genuine, brand new, and include applicable manufacturer or supplier warranty.
- Warranty periods vary by brand and product — typically 1 to 2 years. Contact us to confirm specific brand coverage.
- Returns accepted within 7 days of receipt in original, unused condition with original packaging.
- Faulty or incorrect items: VisionSounds covers return shipping costs.
Feel every bass note with the Alto TS18S – 18″ 2500W Active Subwoofer by Alto. Engineered to complement full-range systems with deep, controlled low-frequency output that moves crowds and fills venues.
Alto Professional TS18S 18″ 2500W Powered Subwoofer
Add tight, punchy low-end to your PA setup with the Alto Professional TS12S, a 18″ powered subwoofer designed to provide adjustable low-frequency reinforcement for sound engineers and DJs in live stage, theater, and club setups. Class-D amplification drives the 18″ high-excursion woofer to produce 2500W of peak power output and a frequency response of 27 to 111 Hz (-10 dB).
The TS18S offers two XLR-1/4″ combo inputs and two XLR outputs. The user-selectable EQ tunings (Off, Live, DJ) and the phase-alignment selector switch (0, 90, 180, 270°) allow you to fine-tune the subwoofers performance when integrating with full range tops, ensuring a tight and professional sound. The internally braced MDF cabinet features a front port and a 1.4″ mounting socket, while the integrated and recessed carry handles simplify transportation between gigs. The Alto Professional TS18S ships with an IEC power cable.
Features
- For Live Stage, Theater, and Club Setups
- 18″ High-Excursion Woofer
- 27 to 111 Hz Frequency Range (-10 dB)
- Class-D Power Amplifier
- Clip, Thermal, and Overdrive Protection
- Combo XLR-1/4″ Inputs, XLR Outputs
- 3 User Selectable EQ Tunings
- Phase Alignment (0, 90, 180, 270°)
- Integrated Carrying Handles
- Includes Power Cable
Specifications
Drivers
| MF Driver |
No
|
| LF Driver |
1x 18″ / 45.7 cm Woofer
|
| LF Voice Coil |
3″ / 7.6 cm
|
Performance
| Frequency Range |
27 Hz to 111 Hz -10 dB
|
| Frequency Response |
29 Hz to 100 Hz -3 dB
|
| Maximum SPL |
137 dB (Peak)
|
| Protections |
Thermal, Transducer Overdrive
|
Connectivity
| Audio I/O |
2x Combo XLR-1/4″ TRS Female Balanced Line Input
2x XLR 3-Pin Male Balanced Line Output |
| Network I/O |
No
|
| USB I/O |
No
|
| Wireless Connectivity |
No
|
| Bluetooth |
No
|
| Mobile App Compatible |
No
|
Signal Processing
| EQ |
3x Presets (User)
|
| Parametric EQ |
No
|
| Semi-Parametric EQ |
No
|
| Dynamic Processing |
Peak Limiter
|
| Alignment Delay |
No
|
| Phase Adjustment |
0 / 90 / 180 / 270°
|
Power
| AC Input Power |
100 to 120 VAC, 50 / 60 Hz
220 to 240 VAC, 50 / 60 Hz |
| AC Power I/O |
1x IEC Input
|
| Power Consumption |
1600 W
|
Physical
| Color |
Black
|
| Mounting |
1 x 1.42″ / 36 mm Pole Socket (Top)
|
| Handles |
1x Each Side
|
| Environmental Protection |
No
|
| Construction Material |
MDF
|
| Dimensions |
26.7 x 24.7 x 20.9″ / 67.8 x 62.7 x 53.1 cm
|
| Weight |
93 lb / 42.2 kg
|
VisionSounds — South Africa's specialist in premium camera and audio gear. Fast delivery nationwide. Genuine warranty included.
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