JBL Professional MD1

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Super Tweeter Loudspeaker

JBL’s Marquis Dance Club Series is a state-of-the-art family of loudspeaker systems designed specifically for the Dance Club Market. MD1 is an ultra highfrequency module consisting of dual JBL Selenium ST400 Super Tweeters for superior highfrequency response and is intended to be used in conjunction with the MD2 midhigh system, MD3 low-frequency system, and MD7 ultra highoutput subwoofer system. When all elements are combined they complete a high energy five-way dance system with unprecedented fidelity, clarity,
and breathtaking purity.

Features

Dual JBL Selenium ST400 Super Tweeters
Extremely high sensitivity
Low Distortion
High fidelity
High temperature voice coil for durability and reliability

Applications

Sophisticated dance clubs
Anywhere dramatic use of super high-frequency is desired

Downloads

Documents

	Language	Size	Uploaded
Marquis Dance Brochure updated: Apr 2026		538 KB	Apr 2026
MD1 Spec Sheet updated: Apr 2026		555 KB	Apr 2026

Data Sheets

	Size	Uploaded
MD1 Spec Sheet updated: Oct 2019	555 KB	Oct 2019

Specifications

	Size	Uploaded
Marquis Dance Club Series Spec Sheets updated: Jul 2019	3.97 MB	Jul 2019

Brochures

	Size	Uploaded
Marquis Dance Club Series Brochure updated: Jul 2019	538 KB	Jul 2019

CAD Drawings

	Size	Uploaded
Marquis Dance Series 2D DXF Drawings updated: Oct 2019	612 KB	Oct 2019
Marquis Dance Series 3D DXF Drawings updated: Oct 2019	10.4 MB	Oct 2019
Marquis Dance Series Customer Drawings PDF updated: Oct 2019	205 KB	Oct 2019

Compliances

	Size	Uploaded
Marquis Dance Club Series Declaration of Conformity updated: Oct 2019	144 KB	Oct 2019

Images

	Size	Uploaded
MD1 hi-res image updated: Jul 2019	326 KB	Jul 2019

Speaker Tunings

	Size	Uploaded
Marquis Dance Club Series Tunings updated: Oct 2019	1.47 MB	Oct 2019

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Parts & Service

Specifications

Frequency Range (-10dB)	5.5 kHz - 20 kHz
Power Rating	130 W (520 W peak) 2 hrs
Coverage Pattern	Dual 40° x 40°
Crossover Frequencies	6 kHz to 10 kHz
Maximum SPL (1m)	129 dB cont avg (135 dB peak)
Ultra High-Frequency Driver	2 x JBL Selenium ST400 Super Tweeters
Nominal Impedance	2 x 8 ohms
Sensitivity	111 dB SPL, 2.83V @ 1m (3.3 ft)
Enclosure	Trapezoidal, 16 mm (5/8 in) exterior grade 11 ply Finnish birch plywood
Suspension Attachment	10 M10 points
Finish	Black DuraFlex™ finish
Input Connectors	Neutrik Speakon® NL4 (2 wired in parallel), plus CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AGW) wire or max width 9 mm (.375 in) spade lugs. NL4’s +1/-1 in parallel with barrier strip (+2/-2 loop through).
Dimensions (H x W x D in vertical orientation)	184.2 x 421.3 x 305.8 mm (7.2 x 16.6 x 12 in)
Net Weight	8.2 kg (18.0 lb)
Optional Accessories	M10 x 35 mm forged shoulder eyebolts with washers