ReviewsLow Frequency Design

FEDAI CCA CA2 in-Ear Earphones,HiFi Stereoin Ear Monitors IEM Wired Headphones/Earbuds/Headsets Hybrid Banlance Armature with Dynamic in-Ear Earphone HiFi Headset (Crystal Nomic)

【10mm composite magnetic dynamic coil】CCA CA2 earphone is Equipped with one new 10mm composite magnetic dynamic coil, the low-frequency dive can reach 10hz, the mid-low frequency is full and delicate, and the strength interprets popular vocals, giving them clear details. Rich texture and full of powerful bass. Bring you a new kind of auditory sense..
【Comfortable and Clear Sound】Tuning focuses on the popular and ACG directions. The strong magnetic force enhances the low frequency density, which is more suitable for the requirements of electronic music and heavy instrumental music. The rapidly improved transient response can meet the pursuit of vocal and classical music for the details of the mid-frequency..
【Simple Stylish Resin Cavity Design and Removable Cable】 CCA CA2 earphones is the combination of resin and the wide range of color options display a modern and eye-catching ,fasionable earphones. Bright streamer, adds luster texture,full of beauty.Suitable for stage, outing and other scenes..
【Comfortable to Wear】Ergonomic design can effective reduce noise and soft fit the auricle, which can make you comfortable and stable to wear. and effectively more reduce external noise interference after being worn tightly, then you can just enjo....

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XCFDP 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Function Generator Arbitrary Waveform Frequency Meter 2.4’’ Screen 200MSa/s 15MHz

【EASY TO OPERATE】Convenient operation interface, superior technical indicators and humanized graphic style. Its sine wave frequency output can....
【SIGNAL STABILITY】The signal generator adopts large-scale FPGA integrated circuit and high-speed MCU processor, and the internal circuit adopts....
【FREQUENCY METER FUNCTION】It supports scanning output from low frequency to high frequency or from high frequency to low frequency. The scanning....
【HIGH PRECISION】This signal generator adopts dual-channel DDS signal and TTL electric level output to generate accurate, stable, low-distortion....
【WIDE APPLICATION】The signal generator has excellent amplitude-frequency characteristics, small and beautiful appearance, and intuitive control....

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JBL Studio 570 Dual 5.25-Inch Floorstanding Loudspeaker (Each)

Dual 5.25-Inch (130mm) Low-Frequency Transducers with PolyPlas cones.
1-Inch (25mm) High-Frequency Compression Driver.
Glass-filled ABS Bi-Radial High-Frequency Horn.
3/4-Inch (19mm) ultra-ridged MDF Enclosure.

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JBL Studio 530 2-Way 5.25-Inch Bookshelf

5.25-Inch (130mm) Low-Frequency Transducers with PolyPlas cone.
1-Inch (25mm) High-Frequency Compression Driver.
Glass-filled ABS Bi-Radial High-Frequency Horn.
3/4-Inch (19mm) ultra-ridged MDF Enclosure.

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JBL Studio 580 Dual 6.5-Inch Floorstanding Loudspeaker (Each)

Dual 6.5-Inch (200mm) Low-Frequency Transducers with PolyPlas cones.
1-Inch (25mm) High-Frequency Compression Driver.
Glass-filled ABS Bi-Radial High-Frequency Horn.
3/4-Inch (19mm) ultra-ridged MDF Enclosure.

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Make 1 Million Dollars

SUPERIOR SOUND. High-current EI transformer makes sure that sound quality doesn't suffer. Large custom audio capacitors and a discrete output stage..
AMP TECHNOLOGY. Wide Range Amplification Technology delivers high-current power stability via large custom capacitors, while low-NFB amps capture depth and spatiality for a wide frequency spectrum with low distortion..
AUTHENTIC AUDIO. Direct Mode bypasses tone and PM Bass circuitries. In combination with a refined amp circuit design, signal-pathlengths have been significantly reduced in comparison to the A-9010 for even more accurate and faithful sound..
BASS BOOST. Phase Matching Bass Boost eliminates phase-shift between low- and mid-range frequency bands. Bass response is enhanced without compromising vocal clarity, which is especially useful when playing music at low volumes..
FEATURES. 50 W + 50 W (4 ohms, 20 hz–20 kHz, 0.9% THD, 2-ch Driven, FTC). Remote controller..

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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

...z effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequen....

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Shure SE846 Wired Sound Isolating Earbuds, High Definition Sound + Natural Bass, Four Drivers, Secure in-Ear Fit, Detachable Cable, Durable Quality, Compatible with Apple & Android Devices - Blue

FOUR HI-DEF DRIVERS - Four high-definition drivers provide extended high-end clarity and unparalleled low-end performance for a state-of-the-art listening experience. Three-way system for dedicated low, mid, and high frequency distribution..
LOW-PASS FILTER - Groundbreaking low-pass filter provides the previously unattainable deep low-end performance of a true subwoofer - without sacrificing clarity or detail..
CUSTOMIZABLE FREQUENCY RESPONSE - Customizable frequency response puts you in control of your audio experience. Select balanced, warm or bright audio through removable nozzles for three unique sound signatures..
ERGONOMIC DESIGN - Ergonomic low-profile design with optimized nozzle angle ensures long-wearing comfort and fit. Over-the-ear design keeps cables out of the way..
SOUND ISOLATING TECHNOLOGY - Sound Isolating technology blocks up to 37 dB of noise to eliminate distractions. Enjoy the most immersive listening experience with a design that keeps earphones in and noise out during exercise or travel..
DETACHABLE CABLE - Detachable 3.5 mm communication cable allows for direct connection to laptops, in-flight entertainment systems and other mobile devices. Compatible with Apple & Android devices with a 3.5 mm connection..

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Phiaton MS 300 BA Black Balanced Armature Headphones with Mic – Sound-Isolating Earphones with Rich Audio Quality, Dual-Driver, Headphone Mic, and Inline Remote

HYBRID DRIVER: The warm depth of a dynamic driver combined with the detailed treble of a balanced armature driver provides your earphones rich, authentic sound. You’ll enjoy the best of your bass tones as well as crystal clear high frequency. Gold plated headphone jack will ensure long lasting use.
BALANCED AMARTURE DRIVERS: Experience high frequency tones like never before in an earphone. The balanced armature driver technology makes each vibrant note come alive, letting you hear all the textured nuances and precise details of your favorite classical, guitar, and string music..
DYNAMIC DRIVER LPF TECHNOLOGY: (Low Frequency Pass Filter) This specialized filtering process optimizes acoustics on your earphones by filtering out high frequency sound waves from the dynamic driver, letting the driver focus on low frequency precision and improved bass. This enables the hybrid driver to enhance sound quality along the entire frequency spectrum..
TANGLE-FREE OVAL SHAPED CABLE: The textured cable helps to minimize cable tangling while the special design also helps to reduce cable touch noise. "Oxygen Free Copper" cables provide 99.99% purity helping to ensure a clean connection and minimal audio distortion..

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FOCAL Alpha 80 Studio Monitor (Single)

General Size: Near-field System type: Active Configuration: 2-way Drivers Low-frequency driver: 8" Mid-frequency driver: Not applicable High-frequency driver: 1" Full-range driver: Not applicable Driver type: Polyglass Sound Frequency response: 35Hz - 22kHz Max peak SPL: 109 dB Amplifier class: AB Output power: 140W Onboard Features Input connectors: XLR, RCA Standby mode: Yes A.
The Focal Alpha 80 is a versatile studio monitor with quality components and design.
It serves beautifully in a variety of capacities, performing just as well with instrumental music as with electronic music.
This model comprises an 8" (21cm) woofer/ midrange speaker with a Polyglass cone loaded in a large laminar port associated witha 100W amplifier and a 1" (25mm) aluminum inverted dome tweeter (40W amplifier).
Alpha 80 has a frequency response of 35Hz to 22kHz (+/- 3dB).

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Pair Rockville APM5W 5.25' 2-Way 250W Powered USB Studio Monitor Speakers+Pads

Studio reference monitors for critical audio production listening in small spaces.
Super-near-field design puts the sweet spot right at your ears on a typical desk.
DESKTOP/SHELF switch adapts response for superior sound from any speaker placement.
Extended frequency response from 45 Hz - 20 kHz delivers surprising bass response *Advanced digital crossover and careful time alignment for precise stereo imaging.
4 class D power amps and 50W RMS for punchy low end and impressive volume.Total output power (both speakers)- 70W (peak) - 50W RMS.Low frequency output power (single speaker)- 18W RMS. High frequency output power (single speaker)- 7W RMS.

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