Episode Signature SIG-76-IC 6 Inch In-Ceiling Speaker

Premium In-Ceiling Sound for Music and Home Theater

The Episode SIG-76-IC is a premium 6-inch Signature 7 Series in-ceiling speaker designed for whole-home music, living rooms, kitchens, bedrooms, media spaces, and properly planned home-theater height or surround channels.

It combines a 6-inch honeycomb fiberglass Nomex woofer with a 3/4-inch pure titanium dome tweeter, wide 110-degree coverage, independent woofer and tweeter compensation controls, and Episode’s Push Lock by Swarm mounting system.

Best Use Cases

• Whole-home audio: Provides premium distributed sound in kitchens, living rooms, bedrooms, dining areas, and offices.
• Larger residential music zones: Offers stronger output and bass capability than smaller architectural speakers.
• Media rooms: Adds discreet sound for television, movies, gaming, and music without visible speaker cabinets.
• Dolby Atmos height channels: Can serve as a direct-radiating overhead speaker when the receiver, placement, and room design are appropriate.
• Direct-radiating surrounds: May be used as a ceiling-mounted side or rear channel when that placement fits the theater layout.
• Open-plan spaces: Wide coverage helps distribute sound across areas where listeners move around rather than remain in one fixed seat.

Who Should Buy This?

This is a strong choice if you want a premium architectural speaker with better driver materials, bass extension, sensitivity, and tuning flexibility than a basic in-ceiling speaker.

It makes particular sense when you need broad coverage, independent bass and treble adjustment, a clean ceiling appearance, and flexible one-step or staged construction options.

Who Should Not Buy This?

This is not the correct model when one ceiling location must reproduce both left and right stereo channels. The SIG-76-IC is a standard single-channel speaker, not a dual-voice-coil model.

It is also not a selectable bipole or dipole surround speaker. Choose the SIG-76-ICSURR when the theater requires a more diffuse side- or rear-surround presentation.

If sound must be aimed toward a listening position from an off-center ceiling location, consider the SIG-76-POINT directional speaker instead.

This model does not include a 70V transformer or selectable transformer taps. Do not connect it directly to a commercial 70V or 100V amplifier.

No outdoor or moisture rating is published for this speaker. Install it only in dry indoor locations.

Sold Individually

The Episode SIG-76-IC is sold as one speaker.

A conventional stereo listening zone normally requires two speakers, with one connected to the amplifier’s left channel and the other connected to its right channel.

Home-theater and multi-room systems may require additional speakers depending on the room size, channel layout, ceiling height, and desired listening level.

6-Inch Honeycomb Fiberglass Nomex Woofer

The SIG-76-IC uses a 6-inch honeycomb fiberglass Nomex cone woofer designed to combine low weight with high rigidity.

Episode publishes a frequency response of 41Hz to 20kHz, giving the speaker useful midbass extension for music, television audio, dialogue, and home-theater effects.

Actual bass performance depends on ceiling construction, cavity volume, use of the optional enclosure, speaker placement, room acoustics, amplifier settings, and whether the system includes a subwoofer.

3/4-Inch Pure Titanium Tweeter

The SIG-76-IC uses a 3/4-inch pure titanium dome tweeter.

Episode’s vented tweeter-pod design lowers the tweeter’s resonance frequency, allowing a lower crossover point and helping distribute high-frequency detail across a wider listening area.

The official specifications do not identify this model as having a manually pivoting tweeter. Speaker placement and wide dispersion should be used to achieve suitable coverage.

Independent Tweeter and Woofer Adjustments

The speaker includes separate compensation controls for the tweeter and woofer. Each control provides +2 dB, 0 dB, and –2 dB settings.

Tweeter Adjustment

• +2 dB: Adds high-frequency output in heavily furnished rooms or when the speaker is farther from the listeners.
• 0 dB: Provides a neutral starting point for setup and calibration.
• –2 dB: Reduces high-frequency output in reflective rooms or when the speaker is close to the listening area.

Woofer Adjustment

• +2 dB: Adds supporting low-frequency output when the ceiling cavity or room reduces bass response.
• 0 dB: Provides the recommended neutral starting point.
• –2 dB: Reduces excessive bass caused by room boundaries or ceiling placement.

Begin with both controls set to 0 dB. Complete final adjustments only after all speakers are installed and evaluated from the normal listening positions.

Wide 110-Degree Coverage

The published listening angle is 110 degrees. This broad dispersion helps cover several seats and makes the speaker suitable for rooms where listeners move around instead of remaining directly beneath the speaker.

Wide coverage does not eliminate the need for correct speaker quantity and placement. Room dimensions, ceiling height, furniture, speaker spacing, and preferred volume should still be considered before cutting the ceiling.

Amplifier and Receiver Compatibility

• Speaker type: Passive two-way standard in-ceiling speaker.
• Series: Episode Signature 7 Series.
• Sold as: One speaker.
• Nominal impedance: 8 ohms.
• Power rating: 140W peak.
• Sensitivity: 90 dB.
• Frequency response: 41Hz to 20kHz.
• Crossover frequency: 2.5kHz.
• Woofer: 6-inch honeycomb fiberglass Nomex cone.
• Tweeter: 3/4-inch pure titanium dome.
• Tweeter adjustment: +2 dB, 0 dB, or –2 dB.
• Woofer adjustment: +2 dB, 0 dB, or –2 dB.
• Listening angle: 110 degrees.
• Connections: Gold-plated push terminals.
• Internal amplifier: None; external amplification is required.
• 70V compatibility: No built-in transformer or selectable taps.

Use an amplifier or AV receiver that supports passive 8-ohm speakers. Connect each SIG-76-IC to one compatible amplifier channel.

The official 140W specification is a peak rating and should not be presented as a 140W RMS amplifier recommendation. Clean amplification, proper impedance support, suitable crossover settings, and avoiding audible clipping are more important than matching peak-wattage figures directly.

Using the SIG-76-IC for Stereo Music

For conventional stereo, install one speaker to the left and one to the right of the primary listening area.

Keep both speakers at similar distances from the main seating or activity zone whenever the ceiling layout allows. Begin with both compensation controls at 0 dB and make small adjustments after listening to familiar music.

For larger or irregularly shaped rooms, several speakers operating at moderate volume may provide more even coverage than one pair playing very loudly.

Using It for Whole-Home Audio

The speaker’s broad coverage and 90 dB sensitivity make it suitable for residential multi-room systems where consistent sound and discreet installation are priorities.

Speaker quantity should be based on room dimensions, ceiling height, listening level, and furniture layout rather than using one fixed number for every room.

Using It for Dolby Atmos

The SIG-76-IC can be used as a direct-radiating Dolby Atmos height speaker when the room, seating position, ceiling height, receiver, and channel layout are appropriate.

Follow the AV receiver or processor manufacturer’s recommended placement angles relative to the primary seating position before making ceiling cutouts.

If the available ceiling position is significantly outside the ideal listening angle, the directional SIG-76-POINT may be a better choice.

Using It as a Surround Speaker

The SIG-76-IC may be used as a standard direct-radiating side or rear surround speaker when ceiling placement is necessary.

It does not provide selectable bipole or dipole operation. Choose the SIG-76-ICSURR when a more diffuse surround field is required.

Installation Dimensions

• Ceiling cutout diameter: Approximately 8.3 inches.
• Finished diameter with grille: Approximately 9.6 inches.
• Mounting depth without enclosure: Approximately 4.8 inches.
• Mounting depth with compatible enclosure: Approximately 6.2 inches.
• Weight: Approximately 4.7 lb.
• Clamping range: Approximately 3/8-inch through double 1/2-inch ceiling material.
• Recommended open cavity volume: Approximately 15 to 20 liters.

Before Cutting the Ceiling

Confirm the full 8.3-inch cutout and check for joists, electrical wiring, plumbing, HVAC ducts, recessed lighting, fire blocking, insulation, and other hidden obstructions.

Allow enough space for the 4.8-inch speaker depth, speaker wire, cable bend radius, mounting dogs, and recommended cavity volume.

Verify all speaker positions before cutting so the finished layout remains visually balanced and acoustically appropriate.

Push Lock by Swarm Installation

Episode’s Push Lock by Swarm system uses spring-loaded mounting dogs that engage when the front buttons are pressed.

Once engaged, the dogs support the speaker in the ceiling while the installer completes final positioning. They can be tightened by up to approximately 6mm when additional clamping pressure is needed for uneven, textured, or layered ceiling material.

Only tighten each mounting dog after it has fully engaged behind the ceiling. Excessive tightening can damage the speaker frame or ceiling surface.

One-Step or Staged Two-Step Installation

The SIG-76-IC can be installed as one complete assembled speaker in a single step.

For staged construction, the speaker core can be removed and the included cradle installed first. Wiring, the protective cover, and the optional enclosure can be completed while the speaker remains protected from paint, drywall dust, insulation, and construction debris.

The speaker core can then be installed after the ceiling and surrounding construction work are complete.

Included Cradle and Optional Enclosure

The compatible Signature cradle is included with the speaker.

The SIG-CRADLE-IC-6 is available separately for advance installation, replacement, or projects requiring an additional cradle.

The compatible ESS-ENCL-IC-6 enclosure is optional and sold separately. It can provide more predictable acoustic performance, reduce sound transfer into the room above, and keep insulation or construction debris away from the speaker.

When the enclosure is used, plan for approximately 6.2 inches of total mounting depth.

Grille and Flush-Mount Options

The standard speaker uses a thin-bezel magnetic grille that can be painted to better match the ceiling.

A true flush-mount installation requires the appropriate optional Episode flush-mount bracket. The bracket is sold separately and should be planned before the finished ceiling is completed.

Do not paint the woofer, tweeter, controls, terminals, mounting mechanism, or internal speaker components. Avoid blocking the grille perforations when painting.

Does It Need a Subwoofer?

A subwoofer may be optional for moderate whole-home music and everyday listening.

For home theater, bass-heavy music, or systems expected to play at higher volume, a dedicated subwoofer is recommended. The subwoofer handles the deepest frequencies while the ceiling speakers focus on vocals, dialogue, instruments, and directional effects.

When to Choose Another Episode Model

Choose the SIG-78-IC when you need an 8-inch woofer, deeper bass extension, and higher output for a larger room.

Choose the SIG-76-POINT when the speaker must be installed away from the ideal location and sound needs to be directed toward the listening area.

Choose the SIG-76-ICSURR when you need selectable bipole or dipole surround operation.

Choose a DVC model when one ceiling location must reproduce both left and right stereo channels.

Choose a 70V Episode speaker when the project uses constant-voltage amplification or requires many speakers across long wire runs.

Good Products to Pair With This Speaker

• In-Wall & In-Ceiling Speakers to compare architectural speaker sizes and applications.
• Episode Speakers for matching front, center, surround, outdoor, and subwoofer models.
• Amplifiers for compatible stereo, home-theater, and multi-zone amplification.
• Speaker Wires for correctly rated in-wall speaker cable.
• Subwoofers for deeper bass in music and home-theater systems.
• Power Management Solutions to protect receivers, amplifiers, source equipment, and control systems.

Need Help Planning Your Speaker Layout?

Send us the room dimensions, ceiling height, available speaker locations, amplifier or receiver model, and intended use. We can help determine speaker quantity, placement, amplifier compatibility, and whether the SIG-76-IC or another Episode speaker is the better fit.

Is the Episode SIG-76-IC sold individually or as a pair?

It is sold individually. A conventional stereo listening zone normally requires two speakers.

Is this a powered speaker?

No. It is a passive in-ceiling speaker that requires speaker wire and a compatible amplifier or AV receiver.

Does it include Bluetooth or Wi-Fi?

No. Bluetooth, Wi-Fi, streaming, and app control must come from the connected receiver, amplifier, or audio source.

Is the SIG-76-IC a standard or dual-voice-coil speaker?

It is a standard single-channel speaker. One SIG-76-IC connects to one amplifier channel.

Can one speaker reproduce both left and right stereo channels?

No. Use two speakers for conventional stereo or choose a dedicated dual-voice-coil model when only one ceiling location is available.

Is this the bipole/dipole surround model?

No. The SIG-76-IC is a standard direct-radiating speaker. The SIG-76-ICSURR is the dedicated selectable bipole/dipole surround model.

What size woofer does it use?

It uses a 6-inch honeycomb fiberglass Nomex cone woofer.

What type of tweeter does it use?

It uses a 3/4-inch pure titanium dome tweeter.

Can the tweeter be aimed?

The official specifications emphasize the vented tweeter-pod design and wide dispersion but do not identify the tweeter as manually pivoting.

What is the nominal impedance?

The speaker has an 8-ohm nominal impedance.

What is the correct power rating?

The official specification lists 140W peak power. It should not be described as a 140W RMS speaker.

What is the frequency response?

The published frequency response is 41Hz to 20kHz.

What is the sensitivity?

The published sensitivity is 90 dB.

What is the crossover frequency?

The published crossover frequency is 2.5kHz.

What do the woofer and tweeter switches control?

Separate controls provide +2 dB, 0 dB, and –2 dB adjustment for low-frequency and high-frequency output.

What is the published listening angle?

The official published listening angle is 110 degrees.

Can it be used for whole-home audio?

Yes. It is well suited to premium residential music zones when paired with suitable amplification and correctly spaced for the room.

Can it be used for Dolby Atmos?

Yes. It can serve as a direct-radiating overhead channel when the receiver, ceiling height, seating layout, and speaker placement are appropriate.

Can it be used as a surround speaker?

Yes. It can serve as a standard direct-radiating side or rear surround speaker. It does not provide bipole or dipole operation.

Can it be used as a front left or right speaker?

It can be used for in-ceiling front channels when the room requires ceiling placement. A directional point speaker or in-wall speaker may provide more precise front-stage localization.

Can it connect to a 70V amplifier?

No. It does not include a 70V transformer or selectable transformer taps.

Does it need a subwoofer?

A subwoofer may be optional for moderate music listening but is recommended for home theater, bass-heavy music, and systems requiring deeper low-frequency effects.

What ceiling cutout is required?

The required cutout diameter is approximately 8.3 inches.

What is the finished diameter?

The finished diameter with the standard grille installed is approximately 9.6 inches.

How much mounting depth is required?

Allow approximately 4.8 inches without an enclosure and approximately 6.2 inches with the compatible enclosure.

How much airspace is recommended?

Episode recommends approximately 15 to 20 liters of open cavity volume when the optional enclosure is not used.

What ceiling thickness can the mounting system support?

The published clamping range is approximately 3/8-inch through double 1/2-inch ceiling material.

How much does the speaker weigh?

The speaker weighs approximately 4.7 lb.

Does it include the Signature cradle?

Yes. The compatible cradle is included with the speaker.

Which additional cradle is compatible?

The compatible replacement or advance-installation cradle is the SIG-CRADLE-IC-6.

Is the backbox included?

No. The compatible ESS-ENCL-IC-6 enclosure is optional and sold separately.

What does the optional enclosure do?

It helps provide more predictable acoustic performance, reduces sound transfer into adjacent spaces, and keeps insulation or construction debris away from the speaker.

Is a true flush-mount bracket included?

No. The standard installation uses a thin-bezel magnetic grille. A true flush-mount installation requires the appropriate optional Episode bracket.

Can the grille be painted?

Yes. The magnetic grille can be painted when prepared according to Episode’s instructions. Avoid blocking the grille perforations.

Can it be installed outdoors or in a shower?

No outdoor or moisture rating is published for this model. Install it only in dry indoor locations.

What should I check before ordering?

Check speaker quantity, amplifier compatibility, ceiling cutout, mounting depth, joist locations, cavity volume, wire routing, intended channel use, and whether an optional enclosure or construction bracket is required.