SPL Phonitor Model 2731 Headphone Monitoring Amplifier

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Digital - A system that uses only 0s and 1s to transmit data

fatigue - A medical aspect of tiredness.

Audio - Also known as sound. An audible vibration wave which can be heard.

Analogue - A continuous signal in time with fluctuations in a measurable parametre to provide a signal

Large - something that takes up more space than normal.

technical - Something that relates to a good level of skill and methods.

Headphones - Earphones that are used to hear sound through, typically joined by a think band placed over the head

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

Reference - To prove evidence with a back up source.

Model - A representation of a person or thing, usually smaller scale. It can also be a person that wears clothing.

Reproduction - A process of making a copy of something.

Planet Gizmo is an online retailer of high quality electronics and gadgets. They stock audio systems, digital recorders, DJ equipment, earphones and headphones, photography equipment, cables, video systems and audio visual furniture from a range of leading brands including Audio Pro, Canton, Denon, Lenco, Moshi, Olympus, Parrot, Philips, Pioneer, SanDisk, Techlink and Yamaha. The huge range of audio equipment includes top end speaker systems, portable docks, iPhone/iPad boom boxes, Bluetooth wireless speaker systems, subwoofers, surround sound systems, CD players, hi fi systems, digital radios and car kits, while the video systems range includes high quality blu-ray disc players and DJ equipment includes mixing tables and control software. Photography equipment includes projectors, video mixers, video converters, tripods and accessories. Planet Gizmo offer a free one year's warranty after the manufacturer's warranty has expired, together with flexible payment options, free UK mainland delivery, competitive pricing and free recycling for old electrical items.