KASPER PS-18D20 OD
MRP - Rs. 2,89,990
KASPER PS-18D20 OD passive outdoor subwoofer: 2 x 18 inch, 2000 W RMS, 133 dB max SPL, 37 Hz - 160 Hz. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
The price shown is the MAXIMUM RETAIL PRICE (MRP), inclusive of all taxes. For the best price, exclusive offers and discounted rates, delivery timelines, or any other information, please DM us or call +91 89818 07755 / +91 91477 00677. We will gladly share an exclusive coupon code that you can apply at checkout. All payments are processed securely through Razorpay, our trusted payment gateway partner.
Technical data
| Speaker type | Dual 18" subwoofer, passive |
Acoustical data
| Frequency response | 37 Hz - 160 Hz |
| Impedance | 4 Ω |
| Power | 2000 W RMS / 4000 W peak |
| Maximum SPL | 133 dB |
| LF | 18" x 2 |
| Voice coil | 4" |
Connectivity
| Input | 2 x 4‑pole locking loudspeaker connector |
Mechanics
| Housing | Marine ply, polyurea painted |
| Length | 1210 mm |
| Width | 630 mm |
| Height | 800 mm |
| Net weight | 50 kg |
Product overview
The KASPER PS-18D20 OD Passive Subwoofer is a powerful low-frequency solution designed to deliver deep, impactful bass for professional audio systems. Built with a rugged enclosure and engineered for high output, it ensures reliable performance in demanding environments.
This is the outdoor (all weather) format of the KASPER passive subwoofer. It is ideal for auditoriums, live events, clubs and DJ set-ups, and houses of worship.
| Subwoofer | 2 x 18 inch |
| RMS power | 2000 W |
| Maximum SPL | 133 dB |
| Net weight | 50 kg |
Key features
- Passive subwoofer design
- High SPL performance
- All-weather ready build
- Rugged cabinet construction
- Wide sound coverage
- Designed for powerful bass reinforcement
Deep, impactful bass
Two 18 inch low-frequency drivers with 4 inch voice coil, 37 Hz - 160 Hz at 4 Ω, 2000 W RMS / 4000 W peak and up to 133 dB maximum SPL.
Rugged cabinet
Marine ply enclosure with a polyurea painted finish (length 1210 mm; width 630 mm; height 800 mm; 50 kg net) and two 4-pole locking loudspeaker connectors.
Indoor and outdoor formats
KASPER passive subwoofers are available in indoor and outdoor (all weather) formats, with a custom paint option to match interiors.
In the box
- KASPER PS-18D20 OD passive subwoofer
KASPER PS-18D20 OD: frequently asked questions
Is it powered?
No. The PS-18D20 OD is a passive subwoofer (4 Ω).
How low does it go?
Frequency response 37 Hz - 160 Hz.
Can it be used outdoors?
Yes. The OD model is the outdoor (all weather) format of the KASPER passive subwoofer.
Where can I buy the KASPER PS-18D20 OD in India?
The KASPER PS-18D20 OD is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Outdoor installation
All-weather bass for outdoor venues.
Connections
| Connect | To |
|---|---|
| Amplifier channel | Input (4‑pole locking connector) |
Setup
- Connect the amplifier outputs with 4-pole locking loudspeaker cables.
- Check the impedance and power ratings against the amplifier.
- Set levels for the room.
Tip: 4 Ω passive subwoofer.
Workflow 2: With Inkline line arrays
Add bass beneath KASPER line arrays.
Connections
| Connect | To |
|---|---|
| Amplifier (subs) | Subwoofer input |
| Amplifier (tops) | Line array |
Setup
- Connect the amplifier outputs with 4-pole locking loudspeaker cables.
- Check the impedance and power ratings against the amplifier.
- Set levels for the room.
Tip: KASPER pairs the Inkline series with KUA subwoofers.
