Top Frequency Adjustments

Moondrop Quarks Earphone Closed Anterior Cavity Micro Dynamic Driver IEM Earphone (with mic)

  • Unique design with fully transparent and small shell, it is exquisite and full of geek flavors..
  • Powerful Composite magnetic micro diaphragm dynamic driver.
  • Unbelievable amplitude frequency response curve ---Two years of repeated adjustments, Quarks has achieved incredible excellent performance with a closed structure. It has a frequency response curve that is highly in line with HRTF (head related transfer function), bringing a natural and open sound field. Moderate bass gain makes Quarks more musical, bringing a fuller ambience sound..
  • Industrial design ---The appearance and structural design are just like its name, revealing its meticulousness, compact size and can be worn in various ways. The fully transparent cavity allows a clear view of the driver and acoustic structure. Simple and unique appearance..
  • Patented anti-blocking sound damping + Double damping structure.
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Hifonics HFXR Hide Away 2 Or 3-Way Crossover, Silver

  • Rear channel high-pass frequency: 32-400Hz.
  • Front, rear and subwoofer level adjustments.
  • Front and rear inputs with front, rear and subwoofer outputs.
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Stetsom STX 2848 DSP Crossover & Equalizer 8 Channel Full Digital Signal Processor (Sequencer)

  • Crossover with Variable Frequency (12/18/24/36/48 dB/8ª).
  • Intuitive Interface in a LCD Display with Screensaver and Password Lock.
  • Limiter with Dynamic Attack-Release system.
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Fisher Labs M978 Metal Detector - Valve and Box Locator 8\ with auto retune

  • Visual target id by category - numeric 0-99 readout - frequency shift.
  • Target id confidence bar graph - one touch notch - push button static pinpoint with variable audio pitch and depth reading.
  • Threshold and gain adjustments - continuous ground mineralization phase readout.
  • Recommended for: coin shooting, relic hunting, beach hunting.
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Garrett ACE 300 Metal Detector with Waterproof Coil Pro-Pointer at and Carry Bag

  • This package includes Garrett AT Pro-Pointer, Garrett Carry Bag, ClearSound Headphones, Garrett ACE Environmental Cover Up and a Garrett 7" x 10" Search Coil Cover.
  • New Digital Target ID: 0 to 99 scale offers target information New 7" x 10" PROformance submersible searchcoil offers more coverage, depth New higher frequency (8 kHz) provides better sensitivity on low and medium-conductivity targets (i.e. gold, lead).
  • New Increased Iron Resolution: twice the iron resolution of an ACE 250, to help overcome target masking in iron-laden hunt sites New Adjustable Frequency to help eliminate interference New Camlocks for increased stem stability.
  • New Includes Pulse-Width Modulation audio: sharper, more responsive audio Includes Electronic Pinpointing: precisely locates targets and speeds recovery Notch Discrimination: Modify discrimination patterns based on what you are seeking..
  • Five Search Modes (plus Pinpoint) Eight (8) Sensitivity/Depth adjustments Coin Depth Indicator determines target depth Expanded Target ID legend: includes indication of U.S. coin denominations.
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Audio Kit for Arcade Game, MAME Cabinet, or Virtual Pinball Machine

  • 1 Kinter Stereo Audio Amplifier (18w per channel, Bass & Treble adjustments).
  • 2 of 4" Dual Cone Round Speaker (Dual cone for better Frequency Range (Hz):90Hz-20KHZ).
  • 2 of 4.5" Black Speaker Grill (Black metal frame, black metal grill, screws).
  • 1 Speaker Wiring Kit (2 sets of 6ft 22 Gauge Red/Black speaker wire with pre-crimped .110" and .187" connectors).
  • 1 RCA Audio Cable, 20 Black 1/2" Screws, 12v 2a or 3a Power Supply (Depending on availability).
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Rockford Fosgate P1683 Punch 6\x8\ 3-Way Full Range Speaker (Pair)

  • The Punch P1683 is an impressive 3-way full-range speaker designed for fanatics who need a high quality factory replacement in an easy to install package.
  • The P1683 6”x8” 4-Ohm black speakers come as a pair, have a power handling of 65 Watts RMS/130 Watts Max and include mounting hardware and OEM adapter plate.
  • Featuring a PEI dome tweeter with built-in crossover and injection molded mineral filled polypropylene cone with butyl rubber surround that provides high output and accurate frequency reproduction.
  • FlexFit basket design utilizes slots instead of single screw sized holes that allow for a slight adjustment of the speaker when aligning with OEM mounting holes for a better fit.
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller.
  • 6-by-8-inch three-way speaker with 130 watts maximum power handling (65 watts RMS).
  • Mineral-filled & polypropylene injection molded cone with butyl rubber surround.
  • PEI dome tweeter with built-in crossover.
  • Flex Fit basket allows for variable adjustments to the mounting position.
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Garrett ACE APEX Detector w/ 6 x 11 DD Viper Search Coil, Z-Lynk Headphones, Pro-Pointer at Z-Lynk, and Bag

  • New Digital Target ID: 0 to 99 scale offers target information New 7" x 10" PROformance submersible search coil offers more coverage, depth New higher frequency (8 kHz) provides better sensitivity on low and medium-conductivity targets (i.e. gold, lead).
  • New Increased Iron Resolution: twice the iron resolution of an ACE 250, to help overcome target masking in iron-laden hunt sites New Adjustable Frequency to help eliminate interference New Camlocks for increased stem stability.
  • New Includes Pulse-Width Modulation audio: sharper, more responsive audio Includes Electronic Pinpointing: precisely locates targets and speeds recovery Notch Discrimination: Modify discrimination patterns based on what you are seeking..
  • Five Search Modes (plus Pinpoint) Eight (8) Sensitivity/Depth adjustments.
  • Coin Depth Indicator determines target depth Expanded Target ID legend: includes indication of U.S. coin denominations.
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Flytec Element Track Paragliding Hang Gliding Paramotor PPG Variometer

  • ...n) - individually adjustable Climb tone: selectable lower threshold, frequency and cadence modulation Near-thermal tone: selectable lower threshold and volume adjustment Sink tone: selectable upper threshold and volume adjustment Stall alarm: selectable threshold (requires optional airspeed sensor) Additional vario adjustments: Base frequency, and modulation.
  • Airspeed Requires optional sensor Units: kph, knots, mph Range: 0 to 74mph or 0 to 120 kph, resolution 1 mph, km/h, kt Calibration: ±50%.
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Minelab Vanquish 540 Pro-Pack Waterproof Metal Detector with 12' and 8' Coils + Pro Find 20 Splash Proof Audio & Vibrate Pinpointer

  • This package includes Garrett 8.5" x 11" Search Coil Cover, Garrett Edge Digger, ClearSound Headphones, Garrett AT Pro-Pointer, Garrett ACE Environmental Cover Up, Garrett Carry Bag and a Camo Finds Pouch.
  • New Iron Audio allows user to hear discriminated iron targets and to alter the mid-tone signal range New Digital Target ID with a 0 to 99 scale offers target information.
  • New higher frequency (10 kHz) provides better sensitivity on low and medium-conductivity targets (i.e. gold, lead) New Adjustable Frequency to help eliminate interference New Camlocks for better stem stability.
  • New Includes Pulse-Width Modulation audio for sharper, more responsive audio Enhanced Iron Resolution gives twice the iron resolution of an ACE 250, to help separate good targets from adjacent junk iron Includes Electronic Pinpointing to precisely locate targets and speed recovery.
  • Notch Discrimination modifies discrimination patterns based on what you are seeking Five Search Modes (plus Pinpoint) Eight (8) Sensitivity/Depth adjustments Coin Depth Indicator determines target depth Expanded Target ID legend includes indication of U.S. coin denominations.
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Kohler 20RCAL-200SELS 20kW Standby Generator, Tan

  • Automatically restore power in just 10 seconds with the premium power of a Kohler generator that delivers advanced voltage and frequency regulation while still protecting valuable electronics.
  • Compatible to run on natural gas (18kW) or liquid propane (20kW) with simple switching between natural gas and liquid propane in the field.
  • Includes RXT 200-amp outdoor-rated, service entrance rated automatic transfer switch.
  • Powered by reliable KOHLER Command PRO engine, designed and tested for tough commercial applications.
  • with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments. (Kohler CH1000 4-Cycle, 30.9 HP, V-2 999 CC engine).
  • PowerBoost technology provides power to start large loads such as central air conditioners without dropping power to other appliances.
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Adam Audio T7V 7-Inch Powered Studio Monitor

  • 【high-definition near-field active studio monitor】40-watt class D two-way high-definition near-field active studio monitor.Studio quality design, accurate frequency response, precise acoustic field..
  • 【1-inch silk-dome tweeter, 3 inch (Dyna3) woven woofer】Professional acoustic adjusters and speakers，Room Space and HF Trim adjustments for acoustic room reflections..
  • 【5.0 wireless】Stereo CSR Bluetooth 5.0, enjoy music without wires..
  • 【Rich and practical interface】1/4” TRS balanced inputs, 1/8” stereo aux input and RCA inputs suit for almost any audio source.High-tech, compact and delicate designs.
  • 【Live for music】Optimized, resonance-suppressing internal bracing.Front-facing headphone jack auto-defeats speaker output. All-wood MDF ROHS cabinet provides a natural sonic character ..
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