ReviewsElectrical Impedance Scale

Q Acoustics 3020i Bookshelf Speaker Pair (English Walnut)

Award-winning design heritage to shelf or stand mount to fit seamlessly into your chosen listening room, Larger cabinet increased cabinet volume from previous models delivering a larger scale sound and deeper bass.
P2PTM bracing - helps keep the enclosure extra quiet through computer aided placement of internal bracing, Uses a 22mm decoupled High Frequency Driver with wide surround creating a wide even dispersion of stereo.
New low profile binding posts have been incorporated with sockets deep enough to accept 4mm (0.16 in) Banana Plugs.
Enclosure Type: 2-way reflex, Bass Driver: 125 mm (5 in), Tweeter: 22 mm (0.9 in), Frequency Response: 64Hz - 30kHz, Impedance: 6Ohms, Minimum Impedance: 4Ohms, Sensitivity: (2.83 V@1 m) 88dB, Power Input: 50-125W, Cross-over Frequency: 2.4kHz, Dimensions (WxHxD): 170x278x282 mm, Weight: 5.5kg.
What's in the box: 2 x 3020i bookshelf speakers, 2 x Speaker Grilles, 2 x Foam Bungs, 1 x User Manual, 1 x Handling Gloves..

Rockville RCM03 Pro Studio Recording Condenser Microphone Mic+Metal Shock Mount. Aluminum high quality construction. Polar Pattern: Internally Polarized Condenser Cardioid Design. Large diaphragm for smooth, natural sound and low noise. Power Requirements: 48V DC Phantom Power. Uni-directional.
Sensitivity: -27dB±2dB(0dB=1V/Pa at1kHZ). Output impedance: 200Ω±30%(at 1kHz). Standard operating voltage: 3V. Operating voltage range: 1.5V-10V. Current consumption: less than 500uA.
Voltage deduction characteristic: within 3dB at 2V. S/N ratio: More than 24dB. Frequency Response: 30Hz - 20 KHz. Fixed Crossover Filter cutoff frequency: 40Hz---16 KHz. Load impedance: Greater or = to 1000 Ohms.
Equivalent Noise level: Less than 18dB A (IEC581-5). Max. Input SPL: 126dB(THD≤1.0% at 1kHZ). Electrical current: Greater than 4.8Ma. Microphone body net weight:320 Grams (0.7 Pounds). Microphone Max.diameter 44mm (1.73” inches).
Microphone Length 217mm (8.54” inches). Microphone material: steel grille + Alluminum (handheld part). PCB Layout: Surface mount.

Compact & versatile design to shelf or stand mount to fit seamlessly into your chosen listening room. 25% larger cabinet than its predecessor delivering a larger scale sound and deeper bass.
Low Profile Terminals - recessed cut-out reduces cabinet noise and allows them to be used near to rear wall. New low profile binding posts have been incorporated with sockets deep enough to accept 4mm (0.16 in) Banana Plugs.
P2PTM bracing - helps keep the enclosure extra quiet through computer aided placement of internal bracing..
Enclosure Type: 2-way reflex, Bass Driver 100 mm (4 in), Tweeter: 22 mm (0.9 in), Frequency Response: (+3 dB, -6 dB) 65 Hz - 30 kHz, Average Impedance: 6Ohms, Minimum Impedance: 4Ohms, Sensitivity: (2.83 V@1 m) 86dB, Power Input: 50-125W, Cross-over Frequency: 2.6kHz, Dimensions (WxHxD) 150x253x252 mm, Weight: 4.1 kg.
What's in the box: 2 x 3010i bookshelf speakers, 2 x Foam Bungs, 2 x Speaker Grilles, 1 x User Manual, 1 x Handling Gloves..

Compact & versatile design to shelf or stand mount to fit seamlessly into your chosen listening room. 25% larger cabinet than its predecessor delivering a larger scale sound and deeper bass.
Low Profile Terminals - recessed cut-out reduces cabinet noise and allows them to be used near to rear wall. New low profile binding posts have been incorporated with sockets deep enough to accept 4mm (0.16 in) Banana Plugs.
P2PTM bracing - helps keep the enclosure extra quiet through computer aided placement of internal bracing..
Enclosure Type: 2-way reflex, Bass Driver 100 mm (4 in), Tweeter: 22 mm (0.9 in), Frequency Response: (+3 dB, -6 dB) 65 Hz - 30 kHz, Average Impedance: 6Ohms, Minimum Impedance: 4Ohms, Sensitivity: (2.83 V@1 m) 86dB, Power Input: 50-125W, Cross-over Frequency: 2.6kHz, Dimensions (WxHxD) 150x253x252 mm, Weight: 4.1 kg.
What's in the box: 2 x 3010i bookshelf speakers, 2 x Foam Bungs, 2 x Speaker Grilles, 1 x User Manual, 1 x Handling Gloves..

Safely test most automotive electrical circuits to identify shorts, wire breaks, or failed sensors.
Easily check grounds on many circuits allowing quicker diagnosis time than traditional circuit tester or digital voltmeter.
Safe for Engine control modules or power train control modules.
Indicates presence of signal to fuel injectors, or tach reference signals.
High impedance input compatible with computer circuits and sensors.

tests alternator diodes, duty cycle, solenoids, breaker points, wiring, switches and more.
Features auto-ranging, auto shut-off and over-load protection.
Measures up to 15 amps for device testing.
Includes temperature probe, inductive RPM clamp and carrying case.

Includes: V7 BLACK microphone, mic clip, thread adapter, spare red internal windscreen, carrying pouch.
Recommended Use: Live performance, rehearsal, vocals, voice, instruments.

...l weight scale while each person tracks and manages their own profile independently on their phone through the FITINDEX app. Add the baby mode helps weigh and track your baby's growth..
Accurate measurements: 4 high-sensitivity sensors and 4 electrodes provide precise body measurements through the latest Bioelectric Impedance Analysis (BIA) technology. Just step on the bathroom scales to get timely readings..
Compact design: Made from high-quality tempered glass, this weight scale includes a backlit LED display with clear readings. The sleek surface is easy to clean..

Resistor Tester ohmmeter Low Resistance Tester AC/DC 12V 200ohm Electrical Instrument LCD Display Impedance Meter.

PRECISE CANAL LENGTH MEASUREMENT Measurement display with sound volume indicator and canal indicator bars give you accurate canal measurement Reliable dental sensor digital x-ray with multi-frequency accuracy lets you measure both in wet and dry canal conditions.
STATE-OF-THE-ART IMPEDANCE VECTOR MAPPING Unlike other apex locators for endodontics our dental x-ray machine features the latest generation of high-end impedance vector mapping advanced bio-electrical multi-frequency measuring technology.
LCD FULL-COLOR DISPLAY Full-color display portable electric dental scaler designed to give you improved canal tracking Easily probe into the oral cavity with our highly-sensitive mouthwatch camera and determine canal length measurement in a breeze.
AUTOMATIC CALIBRATION Easily probe inside the oral cavity in both wet and dry canal conditions Smoothly glide into the transition between the upper canal zone and apical zone with our reliable probe cord.
1 YEAR Includes rechargeable batteries and 1-year to give you the most reliable unparalleled multi-frequency accuracy.