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SKU SP3838BA
KEF - KASA500 - Subwoofer Amplifiers
by KEF
$1,500.00
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Overview
The KASA500 is KEF's DSP-controlled Class D system amplifier for its custom install subwoofers, rated by KEF at 2 x 250 W into 4 ohms or 500 W bridged into 8 ohms.
It is the required amplifier for the Ci3160RLb-THX and Ci250RRb-THX, and the active-mode amplifier for the Ci200QSb-THX. Built-in DSP settings match each supported KEF subwoofer, with THX certified performance where applicable.
Features
- 2 x 250 W Class D amplifier, bridgeable to 1 x 500 W
- DSP settings for KEF Ci3160RLb-THX, Ci250RRb-THX, Ci200QSb-THX, Ci200TRb and Ci4100QLb subwoofers (latest firmware), in stereo or mono mode
- Configurable pass-through: full range or high-pass filtered, stereo or mono
- Music sense, 12 V trigger and Always On power modes
- Firmware updates via USB using the Windows-based KASA500 Programmer
- Freestanding feet or 2U rack mounting; rack ears included
Connectivity
- Selectable stereo RCA line level or mono LFE RCA input
- Stereo speaker level input
- 12 V trigger input (8 to 14 V DC, 1/8 in. plug)
- USB port for firmware updates (USB A to USB A cable required)
THX System Configurations (per KEF)
- Medium room, THX Certified Select (up to 2,000 cubic feet): 1 x KASA500 with 2 x Ci250RRb-THX, 2 x Ci3160RLb-THX or 4 x Ci200QSb-THX
- Large room, THX Certified Ultra (up to 3,000 cubic feet): 1 x KASA500 with 4 x Ci250RRb-THX, or 2 x KASA500 with 4 x Ci3160RLb-THX or 8 x Ci200QSb-THX
Specifications
| Design | DSP-controlled Class D subwoofer system amplifier |
| Rated Output (<1% THD) | 2 x 250 W into 4 ohms; bridged 1 x 500 W into 8 ohms |
| Crossover Frequency | 40 - 140 Hz, or software bypass |
| Inputs | Selectable stereo RCA line level or mono LFE RCA; stereo speaker level |
| 12 V Trigger Input | 8 to 14 V DC at 1.5 mA max, 1/8 in. female plug (tip positive or tip negative) |
| Dimensions with Feet (H x W x D) | 92 x 432 x 304 mm |
| Dimensions with Rack Ears (H x W x D) | 88 x 483 x 304 mm (2 EIA rack spaces) |
| Weight | 4 kg |
| Colour | Black |
| Unit | Sold individually |
