Any hiss heard in horns during quiet passages?

This is typically on account of your integrated receiver's THD - on my Pioneer and Mcintosh (both of which have a THD of .005) the speakers were pitch black BUT when I hooked the exact same speakers up to my Rotel Integrated and separate amps (THD .3) there was always an audible hiss, it drove me NUTS - it's actually the reason I got rid of the Rotels. So even though horn tweeters are more sensitive and more likely to hiss - that is not the case with these - it's probably the stereo unit. Hope this helps.

Can these speakers be laid down sideways? I don’t have 19” space between shelves

You could do that if needed i suppose but i will say if you are tight on space i would recommend looking at something a bit smaller. These are beautiful speakers but they definitely require some room, not your average bookshelf speaker by any means.

could you use two of these side by side as a center speaker to match my dual 8in R-28F fronts ?

Yes. however, the tweeter is a 90x60 degree directionality. 90degrees horizontal and 60degrees vertical. If you turn it on its side, the vertical axis become the horizontal axis. So if you watch movies alone, it may be perfect. But i find the 60degrees a bit narrow, and easy to go in and out of the directionality of it. 90 degrees has better fall off. But horn tweeters seem to be a lot more directional than other tech. YMMV I love horn tweeters for movies. Simultaneously more nostalgic theater sound and very crystal clear on sound effects. Works well with speech too.

is this a pair (2 speakers) or just a single unit?

This is a single speaker. You would need to order 2 for a pair.

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Klipsch RB-81 II Bookshelf Speaker (Single Unit) Parallel Import

Klipsch RB-81 II Bookshelf Speaker (Single Unit) Parallel Import

Product ID: 732865630

Details

Audio Output Mode
Stereo
Brand
Klipsch
Connectivity Technology
Bluetooth
Frequency Response
24000 Hz
Speaker Maximum Output Power
600 Watts

⚡600W max output power

🎵1-inch horn-loaded tweeter

🔊8-inch cerametallic woofer

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Description

🎧 Elevate your sound game with Klipsch RB-81 II — where vintage power meets modern finesse.

LAST OF ITS KIND - Own the final bookshelf model featuring a 20cm woofer and front bass reflex for that deep, immersive sound no newer model can match.
DYNAMIC SOUNDSTAGE MASTERY - Experience crystal-clear highs and rich, responsive mids and lows with Klipsch’s signature horn-loaded tweeter and 8-inch woofer combo.
VERSATILE BI WIRING CAPABILITY - Switch between single-wire warmth and bi-wire clarity to tailor your audio vibe to every mood and genre.
SEAMLESS CONNECTIVITY CONTROL - Bluetooth-enabled with remote control compatibility, effortlessly integrate with your laptop or smartphone for a clutter-free setup.
PREMIUM BUILD MEETS CLASSIC DESIGN - Crafted with a wooden enclosure that balances lightweight elegance with acoustic resonance, perfect for your modern workspace or living room.

The Klipsch RB-81 II bookshelf speaker delivers a powerful 600W max output through an 8-inch cerametallic woofer and a 1-inch horn-loaded tweeter, offering balanced, dynamic sound. This bi-wire capable, Bluetooth-enabled speaker features a wooden enclosure and front bass reflex design, making it the last in its series to house a 20cm woofer. Ideal for audiophiles seeking versatile, high-fidelity audio with a touch of classic Klipsch character.

Specifications

ASIN	B0040Q51FE
Age Range Description	Adult
Amazon Bestseller	#722,791 in Electronics ( See Top 100 in Electronics ) #412 in Bookshelf Speakers
Antenna Location	Music
Audio Driver Size	8 Inches
Audio Output Mode	Stereo
Brand	Klipsch
Built-In Media	Bookshelf Speaker
Color	Black
Compatible Devices	Laptop, Smartphone
Compatible with Vehicle Type	Car
Connectivity Technology	Bluetooth
Control Method	Remote
Controller Type	Button
Customer Reviews	4.7 4.7 out of 5 stars (250)
Enclosure Material	Wood
Frequency Response	24000 Hz
Input Voltage	2.83 Volts
Is Waterproof	False
Item Weight	12.5 Kilograms
MP3 player	No
Manufacturer	Klipsch
Model Name	RB-81 II
Model Number	1011850
Mounting Type	Tabletop Mount
Power Source	Corded Electric
Series Number	81
Signal-to-Noise Ratio	70 dB
Speaker Maximum Output Power	600 Watts
Speaker Size	8 Inches
Speaker Type	Bookshelf
Subwoofer Diameter	8 Inches
Tweeter Diameter	1 Inches
UPC	743878021820
Wireless Technology	Bluetooth

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C$92289

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In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

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