The worlds first SKAA Pro battery subwoofer for mobile PA
Designed by Dillinger Labs in CanadaWorks with all SKAA Transmitters, all SKAA Pro Transmitters, and all SKAA Nadja Hubs including Soundboks 3, 4 and Go
Pro-grade SKAA wireless audio. 100% Bluetooth-free. 100% WiFi free.
Use up to 4 SKAA receivers (any combination of Death from Below and any other SKAA receivers) at the same time with any one SKAA transmitter
Remembers up to 10 of your favourite transmitters
Low latency  great for live performance
5 EQ presets, easily selectable by the user at any time from the front panel
2 x 8 woofers optimized for subwoofer bass frequencies and battery operation
Includes 1 3/8" Pole bushing for getting your gear off the ground

Inputs: SKAA / SKAA Pro (auto switching; automatically follows the transmitter class)
Works with all SKAA/SKAA Pro sources including Dani Pro transmitters and all SKAA Hub speakers (for example, Soundboks 3, 4, & Go)
Wireless Range: Up to 50-meter reliable range (actual range will depend also on the antenna implementation in the transmit-side device)

Woofer: 2 x 8" Low Frequency Drivers, each with dedicated amplifier
Amplifier Type: Multilevel Class D x 2
Amplifier Power: 144 WRMS (2 x 72W Infineon Merus Ultra-Efficient Multi-Level D-amps)
Amp Heat Sink: direct connect 215 x 130 x 3 external aluminum plate
Acoustical Max Level: 122dB
Volume: 30-step local control plus global control
Punch Enhancement: 3 x Film Capacitors + 5 x Low ESR Electrolytic Capacitors
6 EQ Presets (with 1 tuned specifically for popular Soundboks full-range speakers)
Dual Bass Reflex Ports
DSP: Analog Devices DSP provides filtering, EQ and pop-free live switching of user EQ presets
SNR: 91dB A-weighted
Frequency Response @ 3dB: 25Hz - 180Hz

Power/Gear button
Power LED
Bond Button
Bond Indicator
30-step Volume rotary encoder
Battery Fuel Gauge (5 LED stack)
EQ preset select (Wide, Outdoor, SB++, Punch, Tight, Bottom)
Audio Routing select (L, R or Mono Mix)
Time Alignment select (Phase Flip, 2ms, 4ms, 7ms, 11ms delays)
Works with (optional) SKAA cmd (free app) when used with Diz, Ursula, and Cassandra Transmitters

Internal Battery: 115 Wh, 12-cell 18650 Li-ION
Battery Life: Up to 40 Hours at regular listening volume
Charge Time: Charge from empty to full in 2.5 Hours
Brick Power Supply: 26V 125W (included)
Charge the battery and play DFB at full volume at the same time

Build: 12mm (1/2") Birch Plywood
Pole Bushing: 1 3/8" (35mm) x 4" deep welded steel (pole not included)
Weight: 15.5 kg (34 pounds)
Dual monkey grip handles
Self-levelling honeycomb-cell soft rubber feet x4
Rear wall rubber feet x4
Dimensions (without feet):25  61.7  47.5 cm (H  W  D)
Dimensions (with feet):
27.4 x 61.7 x 49.5 cm (H  W  D)