Headphones

You're gonna need headphones.

In short

Choose from these, depending primarily on your budget and stylistic preference:

Headphone	Price	Fit	Interface	Freq Response
Monoprice 8323	$16	Over-Ear	⅛" (3.5 mm), ¼" (6.3 mm)	20 Hz–20 kHz
Sennheiser HD 201	$18	Over-Ear	⅛" (3.5 mm), ¼" (6.3 mm)	21 Hz–18 kHz
Sennheiser HD 202 II	$23	Over-Ear	⅛" (3.5 mm), ¼" (6.3 mm)	18 Hz–18 kHz
Sony MDR 7506	$70	Over-Ear	⅛" (3.5 mm), ¼" (6.3 mm)	10 Hz–20 kHz
Audio-Technica ATH-M40x	$83	Over-Ear	⅛" (3.5 mm), ¼" (6.3 mm)	15 Hz–24 kHz