Speaker Cable vs. BiWire Jumpers: What Actually Changes
By AudioQuest | Published: 2026-10-13
Category: Comparisons
BiWiring can improve sound, but it is not always possible. Here is how BiWire jumpers compare with full speaker cable runs, and when each makes sense.
Quick answer
BiWiring can enable better sound for less money when your amplifier and speakers support it, but it is not always possible. When a full BiWire run is impractical, AudioQuest BiWire Jumpers replace the stamped metal jumpers that come with most BiWireable loudspeakers and deliver significantly improved performance. Choose full BiWire speaker cable when you can run two pairs of conductors; choose BiWire jumpers when you cannot.
What BiWiring actually changes
BiWiring means running separate cable pairs to a speaker's high-frequency and low-frequency terminals instead of using one pair plus the metal jumper plate that ships with the speaker. The goal is to keep the two signal paths from sharing the same conductor, which can reduce interaction between them. Done right, BiWiring enables better sound for less money, but for various reasons there are times when BiWiring may not be possible.
Where BiWire jumpers fit
If your amplifier has only one pair of outputs, or you have already run a single cable to each speaker, you cannot BiWire without changing the wiring. That is the situation BiWire jumpers are made for. They replace the common stamped jumpers included with most BiWireable loudspeakers. AudioQuest's version uses nothing more than Direct-Silver Plated Perfect-Surface Copper (PSC) metal, so the connection between the two terminal pairs is made from the same conductor quality as the cable feeding it.
The trade-off in plain terms
Full BiWire runs give you the most direct separation between high and low paths, but they require compatible amplifier outputs, two runs of cable, and more termination work. BiWire jumpers keep your existing single run and still address the weakest link, the stock jumper plate. The trade-off is that jumpers do not separate the paths at the amplifier; they only improve the bridge at the speaker end.
How to decide
Check your amplifier first. If it has A and B outputs or two pairs of terminals, a full BiWire run is on the table. If it has one pair, a BiWire combo setup is not possible without rewiring, and jumpers are the practical upgrade. Also inspect the jumpers your speakers came with: if they are thin stamped metal, replacing them is a low-cost change that touches every signal going to the drivers.
Trade-offs at a glance
- Full BiWire speaker cable run: Requires an amplifier with two pairs of outputs or A/B terminals, plus two runs of cable and more termination. Gives the most separation between high and low signal paths. Best when your gear supports it and you can manage the extra cable.
- BiWire jumpers on a single run: Keeps your existing single cable run and replaces the stock stamped jumper plate with Direct-Silver Plated PSC metal. Does not separate paths at the amplifier. Best when BiWiring is not possible but the stock jumpers are clearly the weak link.
- Doing nothing: Leaves the common stamped jumpers in place. They are included with most BiWireable loudspeakers, so they work, but they are the least refined connection in the chain. Fine if you are not chasing the last bit of clarity; otherwise start with jumpers.
Product facts
- PSC BiWire Jumpers: Comprising nothing more than Direct-Silver Plated Perfect-Surface Copper (PSC) metal, AudioQuest BiWire Jumpers replace the common stamped jumpers included with most BiWireable loudspeakers. If your speakers use stamped jumper plates and you cannot run a second cable pair, this is the direct replacement that addresses the bridge between terminals.
- Jack Russell RCA: The AudioQuest Jack Russell RCA Subwoofer Cable is designed to deliver clean, clear, naturally beautiful and detailed sound by controlling distortion and managing radio-frequency noise at every stage of the signal path. If your comparison involves a subwoofer, this cable shows the same design priorities, controlling distortion and RF noise, applied to the low-frequency signal path.
Which should you choose?
Choose BiWire jumpers if
- Your amplifier has only one pair of speaker outputs and you cannot run a second cable pair
- Your speakers came with thin stamped jumper plates you want to replace
- You want a low-cost upgrade that improves the terminal bridge without rewiring
Choose full BiWire speaker cable instead if
- Your amplifier has two pairs of outputs or A/B terminals and you can run two cable pairs
- You are already planning to replace the full run and want maximum path separation
- You want to change the cable itself, not just the jumper between terminals
