d&b audiotechnik B4-SUB: 15 Inch and 12 Inch Cardioid Passive Subwoofer with NLT4 F/M Connections
Model
:
B4-SUB NLT4
Genuine Products
Original Brand Warranty
Product Training
Installation, Maintenance & Support
d&b audiotechnik B4-SUB Cardioid Subwoofer with NLT4 F/M Connections
The d&b audiotechnik B4-SUB with NLT4 F/M connections is the touring connector version of the B4 cardioid subwoofer, with a front 15 inch bass reflex driver and a rear 12 inch bandpass driver driven from one amplifier channel. Both NLT4 connectors are wired in parallel on pins 2+/2-, leaving pins 1+/1- for top cabinets, so one connector links straight to a second cabinet. Trianze Tech supplies the B4-SUB for mobile and event sound in Dubai, Abu Dhabi and across the UAE and GCC.
Key Features:
- NLT4 F/M connectors wired in parallel
- Uses pins 2+/2-, pins 1+/1- pass through for tops
- Integrated cardioid setup from one amplifier channel
- Front 15 inch and rear 12 inch neodymium drivers
- Frequency response from 40 Hz to 150 Hz
- M20 flange accepts the d&b loudspeaker stand winder
Technical Specifications:
| Spec | Value |
|---|---|
| Model | B4-SUB, NLT4 F/M version |
| Type | Cardioid subwoofer, passive |
| Components | 15 inch front driver, 12 inch rear driver |
| Dispersion | Cardioid |
| Frequency Response (-5 dB) | 40 to 150 Hz standard, 40 to 100 Hz 100 Hz mode |
| Max SPL | 128 dB (10D), 131 dB (D20/30D/D40/D80/40D) |
| Nominal Impedance | 6 ohms |
| Power Handling (RMS/peak) | 500/2000 W |
| Cabinets per Amplifier Channel | 2 |
| Connections | 2 x NLT4 F/M, pins 2+/2- |
| Dimensions (H x W x D) | 476 x 580 x 700 mm (800 mm overall) |
| Weight | 44 kg (97 lb) |
Why Buy the d&b audiotechnik B4-SUB NLT4 from Trianze Tech?
- Genuine d&b audiotechnik equipment with local UAE support from the Trianze Tech audio team
- System design help matching the B4-SUB NLT4 with compatible d&b loudspeakers, amplifiers and rigging
- Fast delivery across Dubai, Abu Dhabi, the wider UAE and the GCC
- Pre-sales guidance for touring, live event and installed sound projects
Frequently asked
Questions our clients ask before signing.
If you don't see your question here, our consultants will gladly walk you through specifics on a discovery call.
Still have questions?
Talk to a consultant — most queries are answered in a 15-minute call.
On this d&b audiotechnik B4-SUB both NLT4 F/M connectors are wired in parallel on pins 2+/2-. Pins 1+/1- are reserved for top cabinets, so one connector can link to a second cabinet.
Both are the same d&b audiotechnik B4-SUB cardioid subwoofer. This version uses NLT4 F/M touring connectors, while the other uses 2 x NL4.
No. The d&b audiotechnik B4-SUB achieves its cardioid pattern from a single amplifier channel, and two cabinets can share one channel.
The d&b audiotechnik B4-SUB reaches 131 dB maximum SPL with D20, 30D, D40, D80 or 40D amplifiers, and covers 40 Hz to 150 Hz.
The d&b audiotechnik B4-SUB weighs 44 kg (97 lb) and measures 476 x 580 x 700 mm (H x W x D), 800 mm deep overall.
Trianze Tech supplies the d&b audiotechnik B4-SUB NLT4 in Dubai with fast delivery across the UAE and GCC. Call +971 58 161 3661 or message us on WhatsApp for the best price and current stock availability.