A loudspeaker (200; 300; 400) comprising: a magnet assembly (209; 310; 408) aligned along a longitudinal axis (208; 309; 407); a frame (211; 312; 410) encircled around the magnet assembly (209; 310; 408), wherein the frame (211; 312; 410) includes an outer wall (235; 330; 424), wherein the magnet assembly (209; 310; 408) and the outer wall (235; 330; 424) form a voice coil gap (212; 313; 411); a voice coil (205; 306; 406) disposed in the voice coil gap (212; 313; 411), wherein the voice coil (205; 306; 406) includes a first side (206; 307) longitudinally spaced from a second side (207; 308), and wherein the voice coil (205; 306; 406) is aligned with the magnet assembly (209; 310; 408) to yield: a substantially symmetric motor force, a substantially symmetric suspension stiffness, and a substantially symmetric inductance; a first suspension element (203; 303; 403) attached to the frame (211; 312; 410) and adapted to apply a first stiffness to the first side (206; 307) of the voice coil (205; 306; 406); and a second suspension element (204; 304; 404) attached to the frame (211; 312; 410) and adapted to apply a second stiffness to the second side (207; 308) of the voice coil (205; 306; 406), wherein the voice coil (205; 306; 406) is symmetrically aligned with the magnet assembly (209; 310; 408) such that the magnet assembly (209; 310; 408) includes an overall length (M') along the longitudinal axis (208; 309; 407) and the voice coil (205; 306; 406) includes an overall length (O') along the longitudinal axis (208; 309; 407), wherein a halfway point (231; 326) of the overall length (M') of the magnet assembly (209; 310; 408) coincides with a halfway point (232; 327) of the overall length (O') of the voice coil (205; 306; 406) when the voice coil (205; 306; 406) is at rest, wherein the outer wall (235; 330; 424) includes an overall length (P') along the longitudinal axis (208; 309; 407), wherein a halfway point (240; 333) of the overall length (P') of the outer wall (235; 330; 424) coincides with the halfway point (232; 327) of the overall length (O') of the voice coil (205; 306; 406) when the voice coil (205; 306; 406) is at rest. a magnet assembly (209; 310; 408) aligned along a longitudinal axis (208; 309; 407); a frame (211; 312; 410) encircled around the magnet assembly (209; 310; 408), wherein the frame (211; 312; 410) includes an outer wall (235; 330; 424), wherein the magnet assembly (209; 310; 408) and the outer wall (235; 330; 424) form a voice coil gap (212; 313; 411); a voice coil (205; 306; 406) disposed in the voice coil gap (212; 313; 411), wherein the voice coil (205; 306; 406) includes a first side (206; 307) longitudinally spaced from a second side (207; 308), and wherein the voice coil (205; 306; 406) is aligned with the magnet assembly (209; 310; 408) to yield: a substantially symmetric motor force, a substantially symmetric suspension stiffness, and a substantially symmetric inductance; a substantially symmetric motor force, a substantially symmetric suspension stiffness, and a substantially symmetric inductance; a first suspension element (203; 303; 403) attached to the frame (211; 312; 410) and adapted to apply a first stiffness to the first side (206; 307) of the voice coil (205; 306; 406); and a second suspension element (204; 304; 404) attached to the frame (211; 312; 410) and adapted to apply a second stiffness to the second side (207; 308) of the voice coil (205; 306; 406), wherein the voice coil (205; 306; 406) is symmetrically aligned with the magnet assembly (209; 310; 408) such that the magnet assembly (209; 310; 408) includes an overall length (M') along the longitudinal axis (208; 309; 407) and the voice coil (205; 306; 406) includes an overall length (O') along the longitudinal axis (208; 309; 407), wherein a halfway point (231; 326) of the overall length (M') of the magnet assembly (209; 310; 408) coincides with a halfway point (232; 327) of the overall length (O') of the voice coil (205; 306; 406) when the voice coil (205; 306; 406) is at rest, wherein the outer wall (235; 330; 424) includes an overall length (P') along the longitudinal axis (208; 309; 407), wherein a halfway point (240; 333) of the overall length (P') of the outer wall (235; 330; 424) coincides with the halfway point (232; 327) of the overall length (O') of the voice coil (205; 306; 406) when the voice coil (205; 306; 406) is at rest.