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B00ATZK7WW Price: $23.27 Score: 1000.000 Category: Electronics Rating: 5 Votes: 1 Find similar products PAC Pair Bb2pr 600hz and 300hz Bass Blockers. Description: BB2PR: PAC PAC ▀Hz And 300Hz Bass Blockers ▀Hz And 300Hz Bass Blockers Shrink Wrapped with Wire Leads Shrink Wrapped with Wire Leads ζ Watts Power Handling ζ Watts Power Handling.	B00EGSHD9S Price: $11.87 Score: 6.944 Category: Electronics Rating: 3.6 Votes: 5 Find similar products nippon - bb133 - Pair audiopipe bb133 bass blockers 6x9 Speakers. Description: BATCR2016: AUDIOPIPE AUDIOPIPE BASS BLOCKERS FOR 6x9 SPEAKERS BASS BLOCKERS FOR 6x9 SPEAKERS.
B00AZTWGDU Price: $10.55 Score: 6.250 Category: Electronics Rating: 4.5 Votes: 28 Find similar products 20db Balanced XLR Attenuator. In-Line Balanced XLR Attenuator - 20dB Ideal for all types of prosound interface applications, this device connects in-line with the line level signal and provides fixed 10dB attenuation. Male - female connections Nickel plated contacts 4 length Fully pivotal 1 mylar dome tweeter.	B09DV5RQDJ Availability: Currently unavailable Score: 6.061 Category: Electronics Rating: 4.1 Votes: 30 Find similar products AZUOCN 2pcs 400W Adjustable Treble/Bass Frequency Divider Distributor 2-Way Speaker Audio Crossover Filters (2 X). Specifications: 1)Size: 752.5cm (LWH) 2)Suitable for Speaker Power: 400W or lower 3)Suitable for Speaker Impedance: 4 to 16 ohm With 4 jumpers onboard to optimize your audio effect: Jumper A, B for bass; Jumper C, D for treble. Details about jumpers: Jumper A, B are used to control audio effect of bass range. A for lower limit while B for upper limit of the bass audio range. For some speakers, when Bass is turned up too much, the speaker will show distortion. When that happens: we remove the jumper cap of jumper A to limit super low Bass to bring distortion lower. When we remove the cap of jumper B, Bass is increased while cap of Jumper B is on, Bass is decreased. Jumper C and D are used to control Treble range. When cap of both jumper C and D are on, the sound of treble is loudest. When only cap C is on, the treble sound is lower. When only cap D is on, further lower. When both caps of C and D are removed, there is no treble sound. (Generally speaking, with the four jumpers, you'd sooner or later find your best sound effect. Anyway, all effects still depend on your actual test.) How to use the splitter board: First connect as per our diagram above (Treble, Low, Input), connect to speaker, seal air gap, we can begin to hear music while optimize. Normally we use jumper A and let B idle. For jumper C and D: we need to hear the actual effect of treble. A general formula is: A+D=better Bass; A+C=clear Treble and Bass; A+CD=clear Treble and Bass (the overall effect inclined towards Treble); AB+CD=more mediant frequency. When Bass effect is unnecessarily high, we can remove cap A. Please optimize until you think the sound is best, and then fix the board with your speaker unit.
B003CYL7M6 Availability: Currently unavailable Score: 5.917 Category: Electronics Rating: 3.1 Votes: 6 Find similar products Power Acoustik CPT2-400 2 Channel 400 Watt MOSFET 2-ohm Stereo, 4-ohm Bridged Tri-Mode Capable with Selectable 45Hz, 6/12dB Bass Boost. Big Power - Small price! • 2-ohm Stereo, 4-ohm Bridged Stable Class A/B • Tri-Mode Capable • Fixed HPF 80Hz (2ch. models ) • Variable 12dB 50-250Hz HPF (4ch. models) • Variable 12dB 50-250Hz LPF • Selectable 45Hz, 6/12dB Bass Boost • Frequency Response: 10Hz - 20kHz • Signal-to-Noise Ratio: 90dB • Total Harmonic Distortion: .01% • 4 ga. Power & 8 ga. Speaker Terminals • Extruded Aluminum Chassis • Black Texture Finish w/ Silver Trim & Cast Metal Badge • MOSFET PSU Transistors • Regulated PWM Power Supply • Three-Way Protection Circuitry (short, thermal & overload) • High Pass, Low Pass, and Subsonic Filters • Pre-Amp Outputs • 200mV-8V Low Level Inputs • 4 ga. Power & 8 ga. Speaker Terminals.	B003CYL7NU Availability: Currently unavailable Score: 5.814 Category: Electronics Rating: 3.7 Votes: 6 Find similar products Power Acoustik CPT4-800 4 Channel 800 Watt MOSFET 2-ohm Stereo, 4-ohm Bridged Tri-Mode Capable with Selectable 45Hz, 6/12dB Bass Boost. Big Power - Small price! • 2-ohm Stereo, 4-ohm Bridged Stable Class A/B • Tri-Mode Capable • Fixed HPF 80Hz (2ch. models ) • Variable 12dB 50-250Hz HPF (4ch. models) • Variable 12dB 50-250Hz LPF • Selectable 45Hz, 6/12dB Bass Boost • Frequency Response: 10Hz - 20kHz • Signal-to-Noise Ratio: 90dB • Total Harmonic Distortion: .01% • 4 ga. Power & 8 ga. Speaker Terminals • Extruded Aluminum Chassis • Black Texture Finish w/ Silver Trim & Cast Metal Badge • MOSFET PSU Transistors • Regulated PWM Power Supply • Three-Way Protection Circuitry (short, thermal & overload) • High Pass, Low Pass, and Subsonic Filters • Pre-Amp Outputs • 200mV-8V Low Level Inputs • 4 ga. Power & 8 ga. Speaker Terminals.
B08KZZ6LFM Price: $36.99 Score: 5.747 Category: Electronics Rating: 4.7 Votes: 6 Find similar products Vipxyc Frequency Divider, 2-Way Speaker System Audio Crossover Filters Woofer and Tweeter, Frequency Distributor for DIY(2Pcs). description of goods: This is a professional frequency divider, which is widely installed in the speaker. Playing an important role of the total frequency signal segmentation. Treble and bass dual frequency support, helps to transmit the treble signal to the tweeter unit, and divide the bass signal into subwoofer unit. High quality and free welding. Features: To separate the mixed audio signal into a treble, bass, and then were sent to the corresponding treble, bass speaker unit in playback, resulting in enhance the sound quality purposes.Perfect HIFI sound quality: Make the treble clear and increase the intensity of the bass, freely enjoy clear and natural music.High quality and super durability: wire wound ceramic resistor and high-quality metal film capacitors, ensure its large load power, long-term durability, never burnout.Treble and bass dual frequency dividing: Widely use in treble and bass speakers, car full frequency speakers, or use treble/ bass alone.Circuit board design with precise cutouts and lines, free for welding, very suitable for DIY. Spec: Type: 2 Way, 2 Unit (Woofer and Tweeter) Frequency Crossover: 3200Hz Power: 150W Max. Resistance: 4 - 8Ω Welding: - T for tweeter - W for woofer - IN for amplifier Size: Approx. 70 x 57 x 26mm / 2.8 x 2.2 x 1.0in Package Weight: 236g Package Includes: 2 x Frequency Divider.	B07GLZZS3G Price: $15.88 Score: 5.747 Category: Electronics Rating: 4.8 Votes: 15 Find similar products LM4562NA/NOPB LM4562NA LM4562 Dual High-Performance Audio Operational Amplifier with Ultra Low Distortion IC (Pack of 2). The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2kΩ loads to within 1V of either power supply voltage and to within 1.4V when driving 600Ω loads. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of ±2.5V to ±17V. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF.
B07TZX1YB8 Price: $19.79 Score: 5.618 Category: Electronics Rating: 5 Votes: 1 Find similar products 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker. Premium Quality 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker Descriptions: 100% brand new and high quality Feature: TDA7498 is a 100 w + 100 w class D audio amplifier. The IC chip adopts the single power supply, mainly used in home theater and active speakers. The naked cooling pad up TDA7498 adopted EPU hyper-threading encapsulation. Using differential input to reduce common-mode noise significantly. It has the pattern of the fault and silent mode. With intelligent protection and overheating protection function. Amplifier Board only, other accessories demo in the picture is not included! Specifications: Item Type: Amplifier Board Size: 110x64x22mm/4.3x2.5x0.8in Input Voltage: DC14-32V Output Power: 100Wx2 Output Resistance: 4-8ohm Line Type: D types Chip: TDA7498 Harmonic Distortion: Po=1W/0.05% Frequency Response Range: 18-100KHZ Switching Frequency: 360KHz Signal to Noise Ratio: 110db Color: As shown in the picture. Quantity: 1 Pc Notes: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Amplifier Board.	B07L5CRQ7T Price: $649.76 Score: 5.556 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.