Mythos 3C-75 - Soundbar DEFINITIVE TECHNOLOGY - Free user manual and instructions
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| Product Type | Soundbar |
| Brand | Definitive Technology |
| Model | Mythos 3C-75 |
| Dimensions (W x H x D) | 43.3 x 3.5 x 5.5 inches |
| Weight | 15 lbs |
| Total Power Output | 200 watts RMS |
| Number of Channels | 3.0 |
| Frequency Response | 40 Hz - 20 kHz |
| Drivers | 3 x 3.5" full-range drivers, 3 x 1" aluminum dome tweeters |
| Audio Inputs | Optical, Coaxial, RCA, Bluetooth |
| Audio Outputs | Subwoofer pre-out |
| Power Supply | AC 100-240V, 50/60Hz |
| Mounting Options | Wall-mountable (bracket included) or tabletop |
| Remote Control | Included (battery type: CR2032) |
| Special Features | Dialogue enhancement, virtual surround sound, DSP modes |
| Color | Black high-gloss |
| Material | Aluminum extrusion, polymer ends |
| Warranty | 5 years (parts and labor) |
| Operating Temperature | 32°F - 104°F (0°C - 40°C) |
| Cleaning Instructions | Wipe with a soft, dry cloth. Avoid chemical cleaners. |
Frequently Asked Questions - Mythos 3C-75 DEFINITIVE TECHNOLOGY
How do I connect the Mythos 3C-75 to my TV?
Use the included optical cable (best quality) or coaxial cable. Alternatively, connect via RCA audio if your TV has analog output. For Bluetooth, press the Source button until Bluetooth appears, then pair from your TV.
How do I reset the soundbar to factory settings?
With the unit on, press and hold the Volume Down button on the soundbar for 10 seconds. The LED will flash twice, indicating a reset. All settings will be cleared.
How do I pair a Bluetooth device?
Press the Source button until Bluetooth is selected (LED blinks blue). On your device, enable Bluetooth and select 'Definitive Mythos 3C-75'. Once paired, the LED becomes solid blue.
Why is the remote not working?
First, replace the CR2032 battery in the remote. Ensure there is no obstruction between remote and soundbar. If still not working, try resetting the soundbar or re-pairing the remote (instructions in manual).
No sound from the soundbar. What should I check?
Check if the soundbar is powered on (LED lit). Verify the source selection matches the input used. Ensure the TV audio output is set to 'External Speakers' or 'Optical'. Also, test with a different cable.
Can I connect an external subwoofer?
Yes, the Mythos 3C-75 has a subwoofer pre-out (RCA). Connect a powered subwoofer using a standard RCA cable. The soundbar will send LFE signals to the sub.
How do I wall-mount the soundbar?
Use the included wall bracket and screws. Ensure the wall can support 15 lbs. Drill holes at the required spacing (measure from bracket), insert anchors, and attach bracket. Then slide the soundbar onto the bracket until it clicks.
How do I clean the soundbar?
Unplug the unit. Use a soft, dry microfiber cloth to wipe the surface. Do not use any liquids, abrasives, or chemical cleaners. For grilles, use a soft brush attachment on a vacuum.
Does the soundbar support firmware updates?
Yes, updates are available via USB. Download the latest firmware from the Definitive Technology website, copy to a FAT32 formatted USB drive, insert into the Service port (labeled), and follow on-screen instructions.
What is the warranty period and how do I claim?
The Mythos 3C-75 comes with a 5-year limited warranty covering parts and labor. To claim, contact Definitive Technology customer support with your proof of purchase and serial number. Warranty does not cover damage from misuse or unauthorized modifications.
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USER MANUAL Mythos 3C-75 DEFINITIVE TECHNOLOGY
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Product information
Brand : DEFINITIVE TECHNOLOGY
Model : Mythos 3C-75
Category : Soundbar