About the Infinity PS-8
Bring the bass! Infinity's new PS-8 powered subwoofer teams a 100-watt RMS amplifier with an 8" driver made from Infinity's exclusive Metal Matrix Diaphragm (M.M.D.) material. Derived from the C.M.M.D. material used in Infinity's flagship Prelude™ drivers, M.M.D. features a stiff aluminum core that provides exceptional strength and rigidity for clean, realistic low-frequency tones. It's great for enhancing music and adding room-rattling thrills to home theater listening. The crossover control and phase switch make it easy to match the PS-8's sound to the rest of your speakers. Get ready for dramatic, lifelike bass.
Details:
- bass-reflex design
- 100-watt RMS amp
- 8" front-firing driver
- frequency response 35-150 Hz (±3dB)
- continuously variable 50-150 Hz crossover
- phase switch
- line-level stereo and LFE inputs
- speaker-level inputs with binding post connectors
- auto on/off
- black woodgrain vinyl finish
- 10-11/16"W x 17-7/16"H x 16-1/2"D
- warranty: 5 years driver, 3 years electronics
What's in the box:
- Powered subwoofer
- Owner's Guide
- Warranty sheet
Customer reviews for Infinity PS-8
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Average review:
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More details on the Infinity PS-8
Features & specs
| Enclosure | Bass Reflex | |
| Woofer Size (inches) | 8 | |
| Woofer Composition | M.M.D. | |
| Firing Direction | Front | |
| Amplifier Output (watts) | 100 | |
| Frequency Response | 35-150 Hz | |
| Connections | ||
| Preamp-Level Inputs | 3 | |
| Speaker-Level Inputs | Yes | |
| Speaker-Level Outputs | No | |
| Wireless | No | |
| Controls | ||
| Low-Pass Crossover Freq | 50-150 Hz | |
| High-Pass Crossover Freq | None | |
| Phase Switch | Yes | |
| App Control | --- | |
| Remote | --- | |
| Other Info | ||
| Height (inches) | --- | |
| Width (inches) | --- | |
| Depth (inches) | --- | |
| Weight | --- | |
| Speaker Parts Warranty | 5 Yrs woofer/3 Yrs amp | |
| Speaker Labor Warranty | 5 Yrs woofer/3 Yrs amp | |
| Amplifier Parts Warranty | --- | |
| Amplifier Labor Warranty | --- | |
Product Research
Features
Inputs and Outputs Notes
Metal Matrix Diaphragm (M.M.D.): Derived from the C.M.M.D. material used in Infinity's flagship Prelude drivers, M.M.D. features a stiff aluminum core that provides exceptional strength and rigidity for clean, realistic low-frequency tones.
Amplifier: The 8" M.M.D. front-firing cone woofer is powered by a 100-watt (RMS) amplifier.
Surround: For a smoother response and improved durability, the woofer uses a rubber surround.
Bass Ports: There are two rear-firing bass ports that allow deep bass with high acoustic efficiency and low distortion.
Gain Control: The subwoofer has a rotary control on the rear panel for adjusting the level of the bass.
Phase Switch: The subwoofer's phase switch allows you to control the phase of the subwoofer's output relative to the front speakers. If the bass sounds muddy or unclear, toggling the phase control can sometimes strengthen the bass "attack."
Auto On/Off Circuit: The auto on/off circuit turns the power amp on when a signal is sensed and turns the amplifier off and into standby mode approximately 10 minutes after a signal is no longer received. An LED indicator on the rear panel glows green when the amplifier is on and red when the amp is in standby.
Low-Pass Crossover: The subwoofer features a continuously variable 50Hz-150Hz low-pass crossover that determines the highest frequency at which the subwoofer reproduces sounds. The crossover has a 24dB/octave slope.
Line-level Inputs: The subwoofer has a gold-plated LFE input and gold-plated stereo RCA inputs. If you have a Dolby Digital/DTS receiver or processor with a low-frequency-effects (LFE) output, you should use the LFE input on the subwoofer. If your receiver/processor does not contain a Dolby Digital or DTS processor but has a subwoofer output, you must use the stereo RCA inputs. If the receiver/processor has a mono subwoofer output, a "Y" adapter is recommended to maximize performance.
Speaker-level Inputs: The left and right gold-plated 5-way binding posts allow you to connect the subwoofer to a receiver/amplifier using speaker wire.
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Customer Q&A
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I've owned this for about 6 months now. It is amazing how mych sound this dub can produce. Very clean also, no distortion.
Crutch from Columbia, MO