AudioQuest 500 Series Multi-Spade Silver Speaker Connectors (BiWire - Set of 6) length-1m With up to 24 hours

With up to 24 hours of battery life (including the case)

Peerless Sound Quality: Audeze Planar Magnetic drivers provide the best sound quality of any headphone in the world

and a precision tone arm

the MC257 comes with steadfast McIntosh technologies like Power Guard® to prevent potential speaker damage caused by clipping and over-driving of the amplifier

The audio output Autoformers still straddle the power transformer

AudioQuest 500 Series Multi-Spade Silver Speaker Connectors (BiWire - Set of 6) length-1m With up to 24 hoursFits up to 9 AWG Speaker Cables One piece solid High purity Pure Purple Copper instead of inferior sounding multiple pieces or brass. Especially pure "Hanging Silver" or "Hanging Gold" directly plated without normal sound damaging intermediary layer. Cold Welded connection instead of inferior sound damaging solder.