Question 1

What's the differs btween these and the tl2s

Accepted Answer

We'll, some differences are that  the tl1's are smaller, in dimension, and use smaller drivers, and possibly offer a different materials make-up in regards to the mid-range drivers.  The tl1 tweeter(high frequency driver) is 1/4in smaller, 1/2in compared with the 3/4in tweeter of the tl2 speaker.   The mid-range driver of the tl1 is in the 2 1/2in size class, and is listed as aerated polypropylene, and I believe it is a product of their laser imaging research, like their LSI, a past reference series, and the tl3.  These aerated polypropylene drivers are positioned below the super cell aerated polypropylene drivers in their current "reference" LSIM series offerings.  The tl2's woofer(mid-range driver) offering is a 3 1/4in in size class, and the material composition however is  listed only as an injection moulded composite, and I suspect and might be the "lower-end" regular polypropylene  of older technology, or the newer "higher-end" aerated polypropylene(like tl1 & tl3).  I doubt it would use super cell, and still be positioned below the tl3..  My bets on regular polypropylene, this could support a pricing mode difference in the tl line-up, between the tl2 and tl3 offerings..  I think the tl2 speaker supports a larger frequency range than the tl1 speakers, as well, this doesn't denote "higher-fidelity" however, within all frequencies.  I would likely think with the tl1, you might crossover your sub-woofer higher, because I'm guessing the tl1 system would be more sub-woofer dependant, for lower frequencies.  This tl1 product might place higher demands on a "sub-woofer" solution.  The tl1's likely also make higher demands of an amp, in order to produce the lower frequency range, as larger drives, afaik, in comparison, are typically more efficient for reaching lower frequencies, and the tl2 offers larger drivers.  This might affect performance, especially at higher volumes.  Conversely, the higher frequency driver damping might be easier with the tl1's, and perhaps they might be more effective there.  IMO, I've read subjective accounts of the tl1's sounding "better than" or "the same" as tl2's, and vice versa.

Question 2

Do these speakers have a thread hole for mounting?

Accepted Answer

Yes. They do.

Question 3

My living room is 23'x25' do you think they would sound good with 4 of them on the walls, with the matching center speaker and 2 subwoofers ?

Accepted Answer

I have a almost identical size room.  I replaced my older Optimus wall speakers and center speaker with 4 of these Polk Blackstone TL1 speakers, a TL1 Polk center speaker and used my existing Polk PSW-10 subwoofer, and the sound improvement was PHENOMAL!!!  I am not sure that you would need 2 subwoofers.  I highly recommend these speakers.  They are small but very powerful

Question 4

Would these be ok sitting on their sides? We have a narrow shelf to put them on.

Accepted Answer

They can be put on the sides they should work fine

ASIN	B0043M665O
Antenna Location	Home Theater
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Best Sellers Rank	154,428 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 443 in Hi-Fi Speaker Systems
Box Contents	Polk Audio TL 1 Satellite Speaker (Each, Black)
Brand Name	Polk Audio
Colour	Black
Compatible Devices	Home Theater, Laptop, Smartphone, Tablet, Television
Connectivity Protocol	Bluetooth
Control Method	Remote
Controller Type	Button
Country of Origin	USA
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (320)
Enclosure Material	Plastic
Frequency Response	22 KHz
Global Trade Identification Number	00747192120887
Impedance	8 Ohms
Is Waterproof	True
Item Dimensions D x W x H	9.7D x 12.4W x 16.5H centimetres
Item Weight	0.84 Kilograms
MP3 player	No
Manufacturer	POLK AUDIO
Maximum Speaker Output Power (in watts)	50 Watts
Model Name	TL1
Model Number	TL 1 Sat black
Mounting Type	Wall Mount
Network Connectivity Technology	Bluetooth
Number of Audio Channels	2.1
Number of Items	1
Power Source	Corded Electric
Product Features	Hi Res Audio
Speaker Size	0.5 Inches
Speaker Type	Satellite
Specific Uses For Product	Home Theatre
Subwoofer Connectivity Technology	Wired
Subwoofer Speaker Diameter	2.5 Inches
Tweeter Diameter	1 Inches
UPC	747192120887
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Bluetooth
Woofer Driver Diameter	2.5 Inches

TL1 Satellite Speaker - Black

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