Black BK-SC800D - Subwoofer OSD Audio - Free user manual and instructions

Product Type	Subwoofer
Brand	OSD Audio
Model	Black BK-SC800D
Driver Size	8 inches (dual)
Amplifier Power	300 Watts RMS (built-in)
Frequency Response	20 Hz - 200 Hz
Impedance	8 Ohms
Sensitivity	90 dB
Dimensions (H x W x D)	18 x 12 x 12 inches
Weight	22 lbs
Cabinet Material	MDF with black finish
Connectivity	RCA line-level input, speaker-level input
Protection	Short circuit, thermal overload, subsonic filter
Maintenance	Wipe with dry cloth; do not use solvents
Safety	Ensure stable surface; avoid exposure to moisture
Spare Parts	Contact OSD Audio customer support
Repair Information	Refer to authorized service center
General Information	Designed for home theater and music systems

Frequently Asked Questions - Black BK-SC800D OSD Audio

How do I connect the BK-SC800D subwoofer to my receiver?

Use an RCA cable from the subwoofer output on your receiver to the LFE input on the subwoofer. Alternatively, use speaker wire for high-level connections.

What is the ideal placement for the subwoofer?

Place in a corner or along a wall for maximum bass response. Avoid placing directly against furniture to reduce vibrations. Experiment with crossover settings.

How do I adjust the crossover frequency?

Use the crossover dial on the back panel. Set it to match your main speakers (typically 80-120 Hz) for seamless integration.

Why is my subwoofer not producing sound?

Check the power cable, ensure the subwoofer is turned on, and verify the input connections. Also confirm your receiver's subwoofer output is enabled in the speaker setup menu.

Can I use this subwoofer outdoors?

The BK-SC800D is designed for indoor use. Prolonged exposure to moisture or extreme temperatures may damage the electronics and cabinet.

What is the warranty period?

OSD Audio offers a limited lifetime warranty on this subwoofer. Contact their support for details on coverage and claims.

How do I clean the subwoofer?

Use a soft, dry cloth to wipe the cabinet. Do not use any liquids or cleaning solvents as they may damage the finish.

Can I replace the driver myself?

It is recommended to have the subwoofer serviced by an authorized technician. Attempting self-repair may void the warranty.

Does the subwoofer have a standby mode?

Yes, it features auto-on/off functionality. It activates when an audio signal is detected and goes into standby after a few minutes of inactivity.

What is the recommended amplifier power?

The built-in amplifier handles 300 watts RMS. For external amplification, ensure the amplifier's output does not exceed the subwoofer's power handling capacity.

USER MANUAL Black BK-SC800D OSD Audio

• Pencil
• Wire Cutter
• Safety Eye Wear
• Drill
• Phillips Screwdriver
• Gloves
• Tape Measure
• Utility Knife
• Sandpaper

18AWG minimum - for distances up to 10 ft

16AWG - from 10 to 50 ft

14AWG - from 50 to 100 ft

Installation:

Cut Out

NOTE: This is the most important part of the entire installation. If you are not certain whether any obstructions exist behind the desired mounting area, you should start by cutting a small hole in the center of your penciled mounting hole with a drywall saw.

Using the Cut Out dimensions measure and trace a template on the wall in the desired location. Cut along the traced line using a drywall saw or rotary drill. Use a piece of sandpaper to sand down the cut out edge for a smoother contour. (See Diagram 1.)

Diagram 1

Isometric technical drawing of a multi-panel air conditioner unit mounted on a tiled floor (no text or symbols)

Cut and prepare a hole to install the SL800D into a stud bay where it can be securely mount to both wall studs.

Isometric view of a room corner with two circular fans and a grid-patterned floor (no text or symbols)

Once in place the SL800D should be tested before securely mounting and moving onto step 3.

Simple 3D diagram showing a corner with a black panel and a grid-patterned floor, no text or symbols present.

Final step, install the magnetic grille system by simply laying it into place.

Specifications

• Dual In-Wall Subwoofer
• Power Handling: 300W
- Woofer: 8" 8 Ohm
• Passive Radiator: 10"
• Sealed Tuned Enclosure
• Freq Response: 40Hz - 500Hz
- Overall Dimensions: H 22" x W 17.5" x D 4.3"
- Cut Out Dimensions: H 20" x W 14.5"
- Mounting Depth: 3.9"

Warranty Information

All OSD AUDIO speaker products have (10) year Limited Warranty against defects in materials and workmanship. Proof of purchase must accompany all warranty claims. During the warranty period OSD AUDIO will replace any defective part and correct any defect in workmanship without charge for either parts or labor OSD AUDIO may replace returned speakers with a product of equal value and performance. In such cases, some modifications to the mounting may be necessary and are not OSD AUDIO's responsibility.

For this warranty to apply, the unit must be installed and used according to its written instructions. If necessary, repairs must be performed by OSD AUDIO. The unit must be returned to OSD AUDIO at the owner's expense and with prior written permission. Accidental damage and shipping damage are not considered defects, nor is damaged resulting from abuse or from servicing performed by an agency or person not specifically authorized in writing by OSD Audio. OSD AUDIO sells products only through authorized dealers and distributors to ensure that customers obtain proper support and service. Any OSD AUDIO product purchased from an unauthorized dealer or other source, including retailers, mail order dealers and online sellers will not be honored or serviced under existing OSD AUDIO warranty policy.

Any sale of product by an unauthorized source or other manner not authorized by OSD AUDIO shall void the warranty on the applicable product. Damage to, or destruction of components due to application of excessive power voids the warranty on those parts. In these cases, repairs will be made on the basis of the retail value of the parts and labor. To return for repairs, you must email customer service at [e-mail] for a Returned Merchandise Authorization (RMA) number# then the unit must be shipped to OSD AUDIO at the owner's expense, along with a note explaining the nature of service required. Be sure to pack the speaker(s) in a corrugated container with at least 3 inches of resilient material to protect the unit from damage in transit.

This Warranty Does Not Cover: Damage caused by abuse, accident, misuse, negligence, or improper operation (installation) • Any products that have been altered or modified • Any product whose identifying number of decal, serial #, etc. has been altered, defaced or removed • Normal wear and maintenance.