


KASPER PS-18S10 OD
PRICE ON ENQUIRY
KASPER PS-18S10 OD passive outdoor subwoofer: 18 inch, 1000 W RMS, 132 dB max SPL, 38 Hz - 250 Hz (-10 dB). Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Technical data
| Speaker type | Single 18" subwoofer, passive |
Acoustical data
| Frequency response | 38 Hz - 250 Hz (-10 dB) |
| Impedance | 8 Ω |
| Power | 1000 W RMS / 2000 W peak |
| Maximum SPL | 132 dB |
| LF | 18" x 1 |
| Voice coil | 4" |
Connectivity
| Input | 2 x 4‑pole locking loudspeaker connector |
Mechanics
| Housing | Marine ply, polyurea painted |
| Length | 20.2 in (approx. 513 mm) |
| Width | 20.2 in (approx. 513 mm) |
| Height | 27.7 in (approx. 704 mm) |
| Net weight | 40.7 kg |
Product overview
The KASPER PS-18S10 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 | 18 inch |
| RMS power | 1000 W |
| Maximum SPL | 132 dB |
| Net weight | 40.7 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
One 18 inch low-frequency driver with 4 inch voice coil, 38 Hz - 250 Hz (-10 dB) at 8 Ω, 1000 W RMS / 2000 W peak and up to 132 dB maximum SPL.
Rugged cabinet
Marine ply enclosure with a polyurea painted finish (length 20.2 in (approx. 513 mm); width 20.2 in (approx. 513 mm); height 27.7 in (approx. 704 mm); 40.7 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-18S10 OD passive subwoofer
KASPER PS-18S10 OD: frequently asked questions
Is it powered?
No. The PS-18S10 OD is a passive subwoofer (8 Ω).
How low does it go?
Frequency response 38 Hz - 250 Hz (-10 dB).
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-18S10 OD in India?
The KASPER PS-18S10 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: 8 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.








