What determines great base sound in earphones specs?

I'mthatguy

New member
I want to have the most enhanced earphones for audio players. I found an Ipod's spec that says it has rich base (or bass):

Claims:

"Super Bass for enhanced sound quality

Sound isolating shell to block unwanted outside noise

Rubber coated wires for long lasting durability

Comfortable to wear

Compatible with ALL types of audio devices with 3.5mm jack

Frequency Response: 18-20,000 Hz

Maximum Input Power: 50 mW

Impedance: 32 ohms

Max. SPL: 125dB (at 1 kHz, 1 Vrms)

Cable: Right side 17" wraps behind neck

Extension cable: 34"

Cord Length: 0.8 m Asymmetrical, R: 400 mm; L: 120 mm

Weight: 16g (Within packaging) "

What should I look for when I want more base instead of just normal pitched audio playback?
 
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