![JBL 2216ND 15" LF Differential Drive Woofer for M2 Master Refernce S4700 Speaker for sale online | eBay JBL 2216ND 15" LF Differential Drive Woofer for M2 Master Refernce S4700 Speaker for sale online | eBay](https://i.ebayimg.com/images/g/6O0AAOSwMY5k6OAV/s-l225.jpg)
JBL 2216ND 15" LF Differential Drive Woofer for M2 Master Refernce S4700 Speaker for sale online | eBay
JBL Professional - What's inside the JBL Professional M2 Master Reference Monitor? The annular design of the D2 diaphragms reduces distortion along with the 2216Nd Differential Drive Woofer, not your "off-the-shelf" woofer,
![Flagship M2 Reference Monitor15 Inch Speakers 2216Nd Subwoofer D2430K Horn Driver DSP Crossover Network I-tech 5000*2 - AliExpress Flagship M2 Reference Monitor15 Inch Speakers 2216Nd Subwoofer D2430K Horn Driver DSP Crossover Network I-tech 5000*2 - AliExpress](https://ae01.alicdn.com/kf/S01b3f4e88ec7497bbb098f8b2da1f018i/Flagship-M2-Reference-Monitor15-Inch-Speakers-2216Nd-Subwoofer-D2430K-Horn-Driver-DSP-Crossover-Network-I-tech.jpg)