
Underscore® Rectangle
Features
•
VibrAcoustic calms and soothes with sound vibration
technology.
•
Six concealed speakers send sound waves through the water
to gently massage the body.
•
Six original instrumental compositions offer different levels of
relaxation.
•
Syncs with devices enabled with BLUETOOTH® wireless
technology including smartphones, MP3 players, tablets, and
laptops located up to 33 feet away.*
•
Customize your experience with the high-resolution color
touch screen.
•
Fully-adjustable volume above and below the water.
•
Functions as a hydrotherapy bath when full of water and a
stereo system when empty.
•
Slotted overflow allows for deep soaking.
•
Includes 25' of wiring and amplifier.
Material
•
Acrylic.
Installation
•
Drop-in or undermount.
•
Requires 110 V electrical service.
Required Products/Accessories
K-7271 Brass Slotted Overflow Bath Drain
or
K-7272 PVC Slotted Overflow Bath Drain
Recommended Products/Accessories
1184460 Undermount installation kit
K-1491 Bath/Whirlpool Pillow
K-1601 Bath/whirlpool footstop, removable
K-590 5' under-mount installation kit
K-1177 Vinyl Tiling-in Bead
K-23726 Drain treatment
K-23732 Tub & shower cleaner
Codes/Standards
CSA B45.5/IAPMO Z124
ASTM E162
ASTM E662
UL 1795
CSA C22.2 No. 218.2
KOHLER® Plastic Baths and
Receptors Lifetime Limited Warranty
See website for detailed warranty information.
The BLUETOOTH® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by Kohler Co. is under license.
Other trademarks and trade names are those of their respective owners.
Available Colors/Finishes
Color tiles intended for reference only.
Color Code Description
0 White
96 Biscuit
NY Dune
95 Ice™ Grey
G9 Sandbar
33 Mexican Sand™
K4 Cashmere
58 Thunder™ Grey
7 Black Black™
60" x 32" drop-in VibrAcoustic® bath
K-1168-VB
1-800-4KOHLER (1-800-456-4537)
Kohler Co. reserves the right to make revisions without notice to product specifications.
For the most current Specification Sheet, go to www.kohler.com.
5-29-2021 14:37 - US/CA

Underscore® Rectangle
4-1/8"
(105 mm)
1/2" (13 mm)
12-5/8"
(321 mm)
16"
(406 mm)
2-1/4"
(57 mm)
32" (813 mm)
21"
(533 mm)
60" (1524 mm)
1"
(25 mm)
*24" (610 mm)
*10"
(254 mm)
*Recommended User
Interface Location
Lumbar
Angle 34°
1-1/2"
Bath Drain
No change in measurement if connected
with drain illustrated. (K-7272)
6-5/8"
(168 mm)
1-1/8"
(29 mm)
5-5/8"
(143 mm)
Amplifier
User Interface
7/8"
(22 mm)
3-1/2"
(89 mm)
5-5/8"
(143 mm)
Required Electrical Service
One circuit required, protected with Class A Ground-Fault
Circuit-Interrupter (GFCI). Outside North America, this device
may be known as a Residual Current Device (RCD).
Amplifier: 120 V, 15 A, 50/60 Hz
Technical Information
All product dimensions are nominal.
Installation: Drop-in, Under-mount
Drain location: End
Basin area, bottom: 42" x 23-1/2" (1067 mm x 597 mm)
Basin area, top: 55-1/8" x 27-1/8" (1400 mm x 689 mm)
Weight: 80 lbs (36.3 kg)
Minimum floor load: 58.6 lbs/ft² (286.1 kg/m²)
Water depth: 17-1/8" (435 mm)
Water capacity: 81 gal (306.6 L)
Cutout: Drop-in, 59-1/2" x 31-1/2" (1511 mm x
800 mm)
Electrical component
rating:
Amplifier: 120 V, 1.1 A, 50/60 Hz
Amplifier channels: 2 at 15 W per channel
2 at 30 W per channel
Notes
Measure your actual product for rough-in
details.
Install this product according to the installation
instructions.
The hot water supply should be 70% of the
capacity of the bath or greater. Installations will
vary.
Kit is required for under-mount installations
(sold separately).
Control amplifier fits 16" (406 mm) center studs.
25' (7.6 m) cables are included.
IMPORTANT! Due to BLUETOOTH signal
overlap, installations of multiple baths within
50 ft (15.2 m) of each other will require special
order product. Please contact your dealer,
showroom, or sales representative for ordering
assistance.
60" x 32" drop-in VibrAcoustic® bath
K-1168-VB
1-800-4KOHLER (1-800-456-4537)
Kohler Co. reserves the right to make revisions without notice to product specifications.
For the most current Specification Sheet, go to www.kohler.com.
5-29-2021 14:37 - US/CA