🔊⚡ 1/4" • Speakon Audio Cable

This cable connects a 1/4" speaker output (often from older amps or mixers) to a Speakon input on a loudspeaker. It’s designed for high-power signal transmission—not for instrument or line-level audio. The Speakon end offers secure locking and multi-pole support, while the 1/4" end maintains compatibility with legacy gear.
 
🔧 Cable Configuration
1/4" TS Male → Speakon NL2/NL4 Male
Most common setup for mono speaker-level signal
TS tip = positive, sleeve = negative
Speakon pins: +1/-1 for NL2; +1/-1 and +2/-2 for NL4 (only +1/-1 used in basic setups)
 
🖥️ Compatible Devices
🔊 Passive loudspeakers with Speakon inputs
🔉 Power amplifiers with 1/4" speaker outputs
🎛️ Mixers with built-in amp sections
🧱 Rack-mounted amp units in legacy PA systems
🎸 Bass/guitar amps with external speaker jacks
 
✅ Common Uses
🔄 Connect legacy amp heads to modern PA speakers
🧩 Bridge old-school 1/4" outputs with Speakon-only cabinets
🧪 Test or prototype speaker setups with mixed connector types
🚚 Simplify mobile rigs with secure locking on speaker end
🛠️ Retrofit older systems without replacing entire amp/speaker chain
 
🧠 Signal Format Notes
1/4" TS (Tip-Sleeve)
Tip = positive speaker signal
Sleeve = negative/ground
Speakon NL2/NL4
Pin +1 = positive
Pin -1 = negative
NL4 supports bi-amping or dual circuits (not used in basic 2-conductor cables)
❗ This cable carries speaker-level signals—never use for instrument or line-level audio
 
⚠️ Things to Watch Out For
🔥 Never confuse with 1/4" instrument cables—risk of overheating or damage
🔄 Match polarity: incorrect wiring can cause phase issues
🧲 Speakon locking must be fully engaged—twist until it clicks
🧯 Avoid using in reverse (Speakon amp → 1/4" speaker) unless cable is rated and wired correctly
📏 Use appropriate gauge (14AWG or thicker) for long runs or high wattage
 
🛠️ Quick Tips for Beginners
🔍 Look for “speaker cable” labeling—not “instrument”
🧭 Use Speakon end at speaker side for secure connection
🔄 Always power down before connecting or disconnecting
🧪 Test polarity with a phase checker or simple battery test
🧩 Label ends clearly if using in multi-cable setups