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🎶 Elevate your sound game — because your space deserves legendary audio.
The Klipsch Reference RB-81 II bookshelf speaker combines high-output 150W RMS power with advanced titanium tweeter and 8-inch Cerametallic woofer technology. Designed to deliver precise, distortion-free sound in larger rooms, it features Klipsch’s proprietary Tractrix Horn for unmatched clarity and efficiency. Finished in a stylish black woodgrain vinyl, this speaker is perfect for professionals seeking premium audio performance without sacrificing space or aesthetics.
| ASIN | B0040Q51FE |
| Age Range Description | Adult |
| Antenna Location | Music |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Box Contents | 1 x Speaker (Compact Speaker) |
| Brand | Klipsch |
| Brand Name | Klipsch |
| Colour | Black |
| Compatible Devices | Personal Computer, Smartphone, Television |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Bluetooth |
| Connectivity technology | Bluetooth |
| Control Method | Touch |
| Controller Type | Button |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.7 out of 5 stars 260 Reviews |
| Enclosure Material | Wood |
| Frequency Response | 24 KHz |
| Frequency response | 24 KHz |
| Impedance | 8 Ohms |
| Input Voltage | 2.83 Volts |
| Input voltage | 2.83 Volts |
| Is Waterproof | True |
| Item Dimensions D x W x H | 23.6D x 31.2W x 48.5H centimetres |
| Item Weight | 12.5 Kilograms |
| MP3 player | No |
| Manufacturer | Klipsch |
| Maximum Speaker Output Power (in watts) | 600 Watts |
| Model Name | rb-81 |
| Model Number | 1011850 |
| Mounting Type | Shelf Mount |
| Network Connectivity Technology | Bluetooth |
| Number Of Circuits | 2 |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | 1" Titanium Travel Linear Suspension Dynamic Trumpet Tweeter |
| Series Number | 81 |
| Signal-to-Noise Ratio | 70 dB |
| Speaker Size | 8 Inches |
| Speaker Type | Bookshelf |
| Speaker maximum output power | 600 Watts |
| Specific Uses For Product | Indoors, larger rooms, music and movies playback |
| Subwoofer Connectivity Technology | Wireless |
| Subwoofer Speaker Diameter | 8 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 743878021820 |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Technology Type | Bluetooth |
| Woofer Driver Diameter | 15.5 Centimetres |
M**9
excellent pair of speakers
Best speakers I've owned amazing sound quality & kicks out some amazing bass
Z**U
Esthétique et qualité sonore
Nous avions déjà eu des Klipsch nous savions donc à quoi nous attendre. Toujours la même qualité sonore. Les instruments, les voix, tout est pur et détaché. Nous avons une paire de Focal Aria 906 que nous avons passées dans la cuisine et les Klipsch nous ravissent au salon. Le prix reste raisonnable pour une telle qualité. Et elles sont jolies. Un peu plus grosses que les Focal.
C**I
Three Stars
Received with broken edge up left and down right
J**W
Don't wait too long...
I have wanted these speakers since getting my first pair of KB-15's, an earlier model made for Best Buy (5.25" LF/1" Al dome driven horn HF) and bargain priced at $130/pr shipped. I was amazed at their sound and sensitivity (efficiency). I A-B-ed them with mythen previous favorites - a pair of NHT SuperOne 2.1's bought new 12/14. Their great sensitivity over the NHT's almost sealed their fate - the small Klipsch speakers were moved to my hobby room, where they have been seriously enjoyed. My NHT's remained in my office, an 11' x 12' room where they are driven by an Onkyo 50 Wpc stereo receiver (TX-8020) and CDP (C-7030). I was pleased with the controlled bass and decent treble of the NHT's - but the midrange appeared lacking - I thought that the RB-81ii, with it's 8" LF driver and 1" Ti horn HF driver might be the answer. They seemed to have evaporated last winter. I checked Amazon for Prime stock of the speakers aperiodically - including a few weeks back, when I found them for $249/ea - a great price for the top of the line bookshelf speaker in their 'Reference' line - so I ordered a pair. I felt guilty - and cancelled the order the next day. Last Saturday, I checked - they were still available - I ordered another pair. I was determined to get them this time and they arrived Tuesday - in a word wow! They are large and heavy, which I was prepared for, having moved the bookcase's next shelf up allowing 22" vertical clearance. They are fed by #14 stranded zip cord, with the HF/LF jumpers in place. The front firing port allows placement of the 12.5" deep speaker in a 12" deep shelf, canted inward.. The coverage is wide - my ears are centered two feet in front of the plane the speakers are in and equidistant from the speakers (~5 ft). The stereo effect is consistent almost to the back wall (8 ft) and covers a cone three feet wide at my seated central position to six ft wide in front of the back wall. The LF is there, while the HF are great - and the MF is now present! It also takes a lot less to drive these speakers - my half-power HD < .03% can be appreciated (<.08% @ 50 WPC). I may have found my ideal speakers! If you think you might like them - don't wait too long - order your's. Oh, if they get any better after break-in... I'll be shocked. Besides being bi-wire capable, they have a nice grill cover that is held in place by magnets. The instruction manual is multilingual and pretty sparse. They come individually well-packed, too. My s/n's were ~100 apart... they looked identical - perfect - and 'factory fresh' - quite decent quality.
D**T
Brutais
Que qualidade!!! SOm é Brutalll, são grandes , mas o som também é enorme. Até dá gosto estar a ouvir o som a sair destas colunas.
M**.
Klasse
Für das Geld, und weit darüber hinaus , wird man keinen besseren Lautsprecher finden, vorallem wenn man es krachen lassen will. Ob Metal, Elektro oder Jazz, die können alles, und das in Pegeln und Bassfundament die jeden befriedigen sollten. Meine Empfehlung
Trustpilot
2 days ago
3 weeks ago