It has no lfe input. would work welll with just 1 rca in the left input as others ?

Yes, you can just run a cable from LFE out to Left in. Since your receiver is already filtering high frequencies from the LFE out, you don't need to do so in the subwoofer, so you might want to turn the crossover knob to its highest setting in the subwoofer.

How tall is it without the legs inserts? Can you use the sub without them as well?

It is 7 inches tall and to get the best effect you must use the legs as there is a downward pointing speaker.

What is the height on the unit including the feet?

The feet are approx. 3 inches but they fasten to an inset, so I would say add an extra 2.5 inches to the height to be safe. Also, I believe the rubber feet could be cut if needed, as the screw in the feet sits closer to the base of the box than the floor. I use my box on it's side, resting on cork board and do not use the feet.

This is a 2009-2010 model. do you think it will do well the job with a denon 2017 reciever and a 5 hifi speakers 2014 models ?

Yes. I have an older Denon AVR 1911 but I don't think a newer Denon would have any problems. I wasn't sure about the CP8 but it sounds great. I have it connected to 25 ft cable that goes underneath the house. Enjoy.

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Description

🎵 Feel the bass, not the bulk – powerful sound that hides in plain sight!

DEEP PRECISE BASS - Wide frequency range from 20Hz to 180Hz delivers rich, room-filling low end without distortion.
SPACE SAVVY DESIGN - Low-profile, ported, and down-firing subwoofer engineered to maximize bass output in minimal space.
VERSATILE PLACEMENT - Place it under furniture or beside your couch—optimized for tight spaces without sacrificing sound quality.
POWERFUL YET COMPACT - 300 watts of dynamic bass power packed into a sleek 7-inch tall design that fits under your sofa or bed.
PLUG PLAY CONVENIENCE - Includes RCA and power cables with remote control for seamless integration into any home entertainment setup.

The Earthquake CP8 is a high-performance 8-inch powered subwoofer delivering 300 watts of dynamic power through a compact, low-profile design. Its down-firing ported enclosure and wide 20Hz-180Hz frequency response ensure deep, accurate bass that fits effortlessly under sofas or beds, making it perfect for millennial professionals seeking immersive sound without sacrificing living space.

Specifications

Mounting Type	Tabletop Mount
Model Name	CP8 Couch Potato
Speaker Type	Subwoofer
Special Feature	High Resolution Audio, Low Profile Subwoofer
Recommended Uses For Product	For Televisions
Compatible Devices	Universal
Subwoofer Diameter	8 Inches
Surround Sound Channel Configuration	5.1
Color	Black laminate
Included Components	Earthquake CP8 Power Subwoofer, 6' Right Angle RCA and Power Cable, Optional Side Mount Feet, Product Manual
Product Dimensions	30.5D x 61W x 17.8H cm
Item Weight	24.6 Pounds
Impedance	8 Ohm
Is Waterproof	FALSE
Warranty Type	限定保証
Number of Items	1
Control Method	Remote
Speaker Size	8 Inches
Power Source	AC
Item model number	CP8
Is Discontinued By Manufacturer	No
Color Name	Black laminate
Output Wattage	300 Watts
Wattage	300 W

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