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Discussion Starter · #1 · (Edited)
1. Product: MB Quart QSD 210 components

2. Specs:
MB Quart QSD 210 Q-Line Car Audio 4" Component Speaker Set Pair
SKU: QSD 210

Q-Line QSD series midbass drivers

Titanium WPC (wet powder coating) polypropylene cone
Concave dust cap
Die cast aluminum chassis
Neodymium magnet assembly
Integrated motor heatsink
1.5" voice coil on Kapton former
Overall midbass diameter: 3.96"

Q-Line QSD series 1" tweeters

2-piece titanium domes
Metal housings
Composite surrounds
Neodymium magnets with ferrofluid cooling
Integrated diffusion lens
Flush and surface mounting hardware
Surface mounting hole diameter: 1.46"
Overall tweeter housing diameter: 1.77"

Q-Line QSD series crossover networks

Balanced Temperature Technology (BTT)
Aluminum bottom plate for even heat distribution
4-level tweeter control
Optical tweeter protection using HPCCR (High Positive Current Coefficient Resistor)
Tight component tolerances
Bi-ampable and bi-wireable
Gold-plated screw terminals
2,400 Hz low-pass and 250 Hz high-pass crossover points
Woofer grilles and mounting hardware included

Component Speaker System Specifications

Size: 4
Sensitivity: n/a
Frequency Response: 56-32,000 Hz
Recommended RMS Power: 40-100W
Peak Power Handling: n/a
Impedance: 4 ohms

3. Description/Condition: Excellent Condition - Used - was expertly installed/uninstalled by Simplicity in Sound - used for just 18 months. [/B] This set was DEADSTOCK before I had them installed 18 months ago.[/B] Selling the car (came out of 2011 e90 sedan). Other equipment also available - PDX F6 and V9, Helix DSP, fabricated sub enclosure w/ 10" audiomobile evo, German Maestro 8012s[/B]

4. Price: $475 obo:

5. Pictures:
Clickable thumbnails below


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Please be advised, all buyers and sellers should satisfy themselves that the other party is genuine by providing the following via PM to each other after negotiations are complete and prior to dispatching goods and making payment:

1) Telephone number. Call the number back at a unspecified time and make sure that it is the person's correct phone number.

2) Name and address including postal code

3) Valid e-mail address. Send an e-mail requesting a response to information about the deal being made.

DO NOT proceed with a deal until you are completely satisfied with all details being correct. It's in your best interest to check out these details yourself.

If transaction was completed on CACO, please use iTrader to record feedback.

Potential buyers/seller should check iTrader feedback also before continuing transaction.


Premium Member
54 Posts
[/QUOTE] 4. Price: Best Offer - no low ballers: [/QUOTE]

I think you have to put a price. Also, you need pics with your name and date on a piece of paper next to the speakers to prove you are in possession of the equipment you are selling.

Premium Member
54 Posts
Are the thumbnails not working when being clicked on?
The pics are coming up fine, it's just you didn't have the proper information with them. The last pic that you just provided covers it. However, you still need to put a price. The mods were posting for proper pics on all your for sale ads. I'm pretty sure they were referring to putting your name and date on a piece of paper to prove you are in possession of the equipment you are selling.

15. If you have less than 5 iTrader seller and/or trader feedback then you MUST post your CACO user name and CURRENT date in a picture of the item for sale.
23. No "Feelers", either you're selling or you're not. Items for sale require a price.
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